1 0 Unnamed devices (e.g. non-device mounts) 2 0 = reserved as null device number 3 See block major 144, 145, 146 for expansion areas. 4 5 1 char Memory devices 6 1 = /dev/mem Physical memory access 7 2 = /dev/kmem Kernel virtual memory access 8 3 = /dev/null Null device 9 4 = /dev/port I/O port access 10 5 = /dev/zero Null byte source 11 6 = /dev/core OBSOLETE - replaced by /proc/kcore 12 7 = /dev/full Returns ENOSPC on write 13 8 = /dev/random Nondeterministic random number gen. 14 9 = /dev/urandom Faster, less secure random number gen. 15 10 = /dev/aio Asynchronous I/O notification interface 16 11 = /dev/kmsg Writes to this come out as printk's, reads 17 export the buffered printk records. 18 12 = /dev/oldmem OBSOLETE - replaced by /proc/vmcore 19 20 1 block RAM disk 21 0 = /dev/ram0 First RAM disk 22 1 = /dev/ram1 Second RAM disk 23 ... 24 250 = /dev/initrd Initial RAM disk 25 26 Older kernels had /dev/ramdisk (1, 1) here. 27 /dev/initrd refers to a RAM disk which was preloaded 28 by the boot loader; newer kernels use /dev/ram0 for 29 the initrd. 30 31 2 char Pseudo-TTY masters 32 0 = /dev/ptyp0 First PTY master 33 1 = /dev/ptyp1 Second PTY master 34 ... 35 255 = /dev/ptyef 256th PTY master 36 37 Pseudo-tty's are named as follows: 38 * Masters are "pty", slaves are "tty"; 39 * the fourth letter is one of pqrstuvwxyzabcde indicating 40 the 1st through 16th series of 16 pseudo-ttys each, and 41 * the fifth letter is one of 0123456789abcdef indicating 42 the position within the series. 43 44 These are the old-style (BSD) PTY devices; Unix98 45 devices are on major 128 and above and use the PTY 46 master multiplex (/dev/ptmx) to acquire a PTY on 47 demand. 48 49 2 block Floppy disks 50 0 = /dev/fd0 Controller 0, drive 0, autodetect 51 1 = /dev/fd1 Controller 0, drive 1, autodetect 52 2 = /dev/fd2 Controller 0, drive 2, autodetect 53 3 = /dev/fd3 Controller 0, drive 3, autodetect 54 128 = /dev/fd4 Controller 1, drive 0, autodetect 55 129 = /dev/fd5 Controller 1, drive 1, autodetect 56 130 = /dev/fd6 Controller 1, drive 2, autodetect 57 131 = /dev/fd7 Controller 1, drive 3, autodetect 58 59 To specify format, add to the autodetect device number: 60 0 = /dev/fd? Autodetect format 61 4 = /dev/fd?d360 5.25" 360K in a 360K drive(1) 62 20 = /dev/fd?h360 5.25" 360K in a 1200K drive(1) 63 48 = /dev/fd?h410 5.25" 410K in a 1200K drive 64 64 = /dev/fd?h420 5.25" 420K in a 1200K drive 65 24 = /dev/fd?h720 5.25" 720K in a 1200K drive 66 80 = /dev/fd?h880 5.25" 880K in a 1200K drive(1) 67 8 = /dev/fd?h1200 5.25" 1200K in a 1200K drive(1) 68 40 = /dev/fd?h1440 5.25" 1440K in a 1200K drive(1) 69 56 = /dev/fd?h1476 5.25" 1476K in a 1200K drive 70 72 = /dev/fd?h1494 5.25" 1494K in a 1200K drive 71 92 = /dev/fd?h1600 5.25" 1600K in a 1200K drive(1) 72 73 12 = /dev/fd?u360 3.5" 360K Double Density(2) 74 16 = /dev/fd?u720 3.5" 720K Double Density(1) 75 120 = /dev/fd?u800 3.5" 800K Double Density(2) 76 52 = /dev/fd?u820 3.5" 820K Double Density 77 68 = /dev/fd?u830 3.5" 830K Double Density 78 84 = /dev/fd?u1040 3.5" 1040K Double Density(1) 79 88 = /dev/fd?u1120 3.5" 1120K Double Density(1) 80 28 = /dev/fd?u1440 3.5" 1440K High Density(1) 81 124 = /dev/fd?u1600 3.5" 1600K High Density(1) 82 44 = /dev/fd?u1680 3.5" 1680K High Density(3) 83 60 = /dev/fd?u1722 3.5" 1722K High Density 84 76 = /dev/fd?u1743 3.5" 1743K High Density 85 96 = /dev/fd?u1760 3.5" 1760K High Density 86 116 = /dev/fd?u1840 3.5" 1840K High Density(3) 87 100 = /dev/fd?u1920 3.5" 1920K High Density(1) 88 32 = /dev/fd?u2880 3.5" 2880K Extra Density(1) 89 104 = /dev/fd?u3200 3.5" 3200K Extra Density 90 108 = /dev/fd?u3520 3.5" 3520K Extra Density 91 112 = /dev/fd?u3840 3.5" 3840K Extra Density(1) 92 93 36 = /dev/fd?CompaQ Compaq 2880K drive; obsolete? 94 95 (1) Autodetectable format 96 (2) Autodetectable format in a Double Density (720K) drive only 97 (3) Autodetectable format in a High Density (1440K) drive only 98 99 NOTE: The letter in the device name (d, q, h or u) 100 signifies the type of drive: 5.25" Double Density (d), 101 5.25" Quad Density (q), 5.25" High Density (h) or 3.5" 102 (any model, u). The use of the capital letters D, H 103 and E for the 3.5" models have been deprecated, since 104 the drive type is insignificant for these devices. 105 106 3 char Pseudo-TTY slaves 107 0 = /dev/ttyp0 First PTY slave 108 1 = /dev/ttyp1 Second PTY slave 109 ... 110 255 = /dev/ttyef 256th PTY slave 111 112 These are the old-style (BSD) PTY devices; Unix98 113 devices are on major 136 and above. 114 115 3 block First MFM, RLL and IDE hard disk/CD-ROM interface 116 0 = /dev/hda Master: whole disk (or CD-ROM) 117 64 = /dev/hdb Slave: whole disk (or CD-ROM) 118 119 For partitions, add to the whole disk device number: 120 0 = /dev/hd? Whole disk 121 1 = /dev/hd?1 First partition 122 2 = /dev/hd?2 Second partition 123 ... 124 63 = /dev/hd?63 63rd partition 125 126 For Linux/i386, partitions 1-4 are the primary 127 partitions, and 5 and above are logical partitions. 128 Other versions of Linux use partitioning schemes 129 appropriate to their respective architectures. 130 131 4 char TTY devices 132 0 = /dev/tty0 Current virtual console 133 134 1 = /dev/tty1 First virtual console 135 ... 136 63 = /dev/tty63 63rd virtual console 137 64 = /dev/ttyS0 First UART serial port 138 ... 139 255 = /dev/ttyS191 192nd UART serial port 140 141 UART serial ports refer to 8250/16450/16550 series devices. 142 143 Older versions of the Linux kernel used this major 144 number for BSD PTY devices. As of Linux 2.1.115, this 145 is no longer supported. Use major numbers 2 and 3. 146 147 4 block Aliases for dynamically allocated major devices to be used 148 when its not possible to create the real device nodes 149 because the root filesystem is mounted read-only. 150 151 0 = /dev/root 152 153 5 char Alternate TTY devices 154 0 = /dev/tty Current TTY device 155 1 = /dev/console System console 156 2 = /dev/ptmx PTY master multiplex 157 3 = /dev/ttyprintk User messages via printk TTY device 158 64 = /dev/cua0 Callout device for ttyS0 159 ... 160 255 = /dev/cua191 Callout device for ttyS191 161 162 (5,1) is /dev/console starting with Linux 2.1.71. See 163 the section on terminal devices for more information 164 on /dev/console. 165 166 6 char Parallel printer devices 167 0 = /dev/lp0 Parallel printer on parport0 168 1 = /dev/lp1 Parallel printer on parport1 169 ... 170 171 Current Linux kernels no longer have a fixed mapping 172 between parallel ports and I/O addresses. Instead, 173 they are redirected through the parport multiplex layer. 174 175 7 char Virtual console capture devices 176 0 = /dev/vcs Current vc text (glyph) contents 177 1 = /dev/vcs1 tty1 text (glyph) contents 178 ... 179 63 = /dev/vcs63 tty63 text (glyph) contents 180 64 = /dev/vcsu Current vc text (unicode) contents 181 65 = /dev/vcsu1 tty1 text (unicode) contents 182 ... 183 127 = /dev/vcsu63 tty63 text (unicode) contents 184 128 = /dev/vcsa Current vc text/attribute (glyph) contents 185 129 = /dev/vcsa1 tty1 text/attribute (glyph) contents 186 ... 187 191 = /dev/vcsa63 tty63 text/attribute (glyph) contents 188 189 NOTE: These devices permit both read and write access. 190 191 7 block Loopback devices 192 0 = /dev/loop0 First loop device 193 1 = /dev/loop1 Second loop device 194 ... 195 196 The loop devices are used to mount filesystems not 197 associated with block devices. The binding to the 198 loop devices is handled by mount(8) or losetup(8). 199 200 8 block SCSI disk devices (0-15) 201 0 = /dev/sda First SCSI disk whole disk 202 16 = /dev/sdb Second SCSI disk whole disk 203 32 = /dev/sdc Third SCSI disk whole disk 204 ... 205 240 = /dev/sdp Sixteenth SCSI disk whole disk 206 207 Partitions are handled in the same way as for IDE 208 disks (see major number 3) except that the limit on 209 partitions is 15. 210 211 9 char SCSI tape devices 212 0 = /dev/st0 First SCSI tape, mode 0 213 1 = /dev/st1 Second SCSI tape, mode 0 214 ... 215 32 = /dev/st0l First SCSI tape, mode 1 216 33 = /dev/st1l Second SCSI tape, mode 1 217 ... 218 64 = /dev/st0m First SCSI tape, mode 2 219 65 = /dev/st1m Second SCSI tape, mode 2 220 ... 221 96 = /dev/st0a First SCSI tape, mode 3 222 97 = /dev/st1a Second SCSI tape, mode 3 223 ... 224 128 = /dev/nst0 First SCSI tape, mode 0, no rewind 225 129 = /dev/nst1 Second SCSI tape, mode 0, no rewind 226 ... 227 160 = /dev/nst0l First SCSI tape, mode 1, no rewind 228 161 = /dev/nst1l Second SCSI tape, mode 1, no rewind 229 ... 230 192 = /dev/nst0m First SCSI tape, mode 2, no rewind 231 193 = /dev/nst1m Second SCSI tape, mode 2, no rewind 232 ... 233 224 = /dev/nst0a First SCSI tape, mode 3, no rewind 234 225 = /dev/nst1a Second SCSI tape, mode 3, no rewind 235 ... 236 237 "No rewind" refers to the omission of the default 238 automatic rewind on device close. The MTREW or MTOFFL 239 ioctl()'s can be used to rewind the tape regardless of 240 the device used to access it. 241 242 9 block Metadisk (RAID) devices 243 0 = /dev/md0 First metadisk group 244 1 = /dev/md1 Second metadisk group 245 ... 246 247 The metadisk driver is used to span a 248 filesystem across multiple physical disks. 249 250 10 char Non-serial mice, misc features 251 0 = /dev/logibm Logitech bus mouse 252 1 = /dev/psaux PS/2-style mouse port 253 2 = /dev/inportbm Microsoft Inport bus mouse 254 3 = /dev/atibm ATI XL bus mouse 255 4 = /dev/jbm J-mouse 256 4 = /dev/amigamouse Amiga mouse (68k/Amiga) 257 5 = /dev/atarimouse Atari mouse 258 6 = /dev/sunmouse Sun mouse 259 7 = /dev/amigamouse1 Second Amiga mouse 260 8 = /dev/smouse Simple serial mouse driver 261 9 = /dev/pc110pad IBM PC-110 digitizer pad 262 10 = /dev/adbmouse Apple Desktop Bus mouse 263 11 = /dev/vrtpanel Vr41xx embedded touch panel 264 13 = /dev/vpcmouse Connectix Virtual PC Mouse 265 14 = /dev/touchscreen/ucb1x00 UCB 1x00 touchscreen 266 15 = /dev/touchscreen/mk712 MK712 touchscreen 267 128 = /dev/beep Fancy beep device 268 129 = 269 130 = /dev/watchdog Watchdog timer port 270 131 = /dev/temperature Machine internal temperature 271 132 = /dev/hwtrap Hardware fault trap 272 133 = /dev/exttrp External device trap 273 134 = /dev/apm_bios Advanced Power Management BIOS 274 135 = /dev/rtc Real Time Clock 275 137 = /dev/vhci Bluetooth virtual HCI driver 276 139 = /dev/openprom SPARC OpenBoot PROM 277 140 = /dev/relay8 Berkshire Products Octal relay card 278 141 = /dev/relay16 Berkshire Products ISO-16 relay card 279 142 = 280 143 = /dev/pciconf PCI configuration space 281 144 = /dev/nvram Non-volatile configuration RAM 282 145 = /dev/hfmodem Soundcard shortwave modem control 283 146 = /dev/graphics Linux/SGI graphics device 284 147 = /dev/opengl Linux/SGI OpenGL pipe 285 148 = /dev/gfx Linux/SGI graphics effects device 286 149 = /dev/input/mouse Linux/SGI Irix emulation mouse 287 150 = /dev/input/keyboard Linux/SGI Irix emulation keyboard 288 151 = /dev/led Front panel LEDs 289 152 = /dev/kpoll Kernel Poll Driver 290 153 = /dev/mergemem Memory merge device 291 154 = /dev/pmu Macintosh PowerBook power manager 292 155 = /dev/isictl MultiTech ISICom serial control 293 156 = /dev/lcd Front panel LCD display 294 157 = /dev/ac Applicom Intl Profibus card 295 158 = /dev/nwbutton Netwinder external button 296 159 = /dev/nwdebug Netwinder debug interface 297 160 = /dev/nwflash Netwinder flash memory 298 161 = /dev/userdma User-space DMA access 299 162 = /dev/smbus System Management Bus 300 163 = /dev/lik Logitech Internet Keyboard 301 164 = /dev/ipmo Intel Intelligent Platform Management 302 165 = /dev/vmmon VMware virtual machine monitor 303 166 = /dev/i2o/ctl I2O configuration manager 304 167 = /dev/specialix_sxctl Specialix serial control 305 168 = /dev/tcldrv Technology Concepts serial control 306 169 = /dev/specialix_rioctl Specialix RIO serial control 307 170 = /dev/thinkpad/thinkpad IBM Thinkpad devices 308 171 = /dev/srripc QNX4 API IPC manager 309 172 = /dev/usemaclone Semaphore clone device 310 173 = /dev/ipmikcs Intelligent Platform Management 311 174 = /dev/uctrl SPARCbook 3 microcontroller 312 175 = /dev/agpgart AGP Graphics Address Remapping Table 313 176 = /dev/gtrsc Gorgy Timing radio clock 314 177 = /dev/cbm Serial CBM bus 315 178 = /dev/jsflash JavaStation OS flash SIMM 316 179 = /dev/xsvc High-speed shared-mem/semaphore service 317 180 = /dev/vrbuttons Vr41xx button input device 318 181 = /dev/toshiba Toshiba laptop SMM support 319 182 = /dev/perfctr Performance-monitoring counters 320 183 = /dev/hwrng Generic random number generator 321 184 = /dev/cpu/microcode CPU microcode update interface 322 186 = /dev/atomicps Atomic shapshot of process state data 323 187 = /dev/irnet IrNET device 324 188 = /dev/smbusbios SMBus BIOS 325 189 = /dev/ussp_ctl User space serial port control 326 190 = /dev/crash Mission Critical Linux crash dump facility 327 191 = /dev/pcl181 <information missing> 328 192 = /dev/nas_xbus NAS xbus LCD/buttons access 329 193 = /dev/d7s SPARC 7-segment display 330 194 = /dev/zkshim Zero-Knowledge network shim control 331 195 = /dev/elographics/e2201 Elographics touchscreen E271-2201 332 196 = /dev/vfio/vfio VFIO userspace driver interface 333 197 = /dev/pxa3xx-gcu PXA3xx graphics controller unit driver 334 198 = /dev/sexec Signed executable interface 335 199 = /dev/scanners/cuecat :CueCat barcode scanner 336 200 = /dev/net/tun TAP/TUN network device 337 201 = /dev/button/gulpb Transmeta GULP-B buttons 338 202 = /dev/emd/ctl Enhanced Metadisk RAID (EMD) control 339 203 = /dev/cuse Cuse (character device in user-space) 340 204 = /dev/video/em8300 EM8300 DVD decoder control 341 205 = /dev/video/em8300_mv EM8300 DVD decoder video 342 206 = /dev/video/em8300_ma EM8300 DVD decoder audio 343 207 = /dev/video/em8300_sp EM8300 DVD decoder subpicture 344 208 = /dev/compaq/cpqphpc Compaq PCI Hot Plug Controller 345 209 = /dev/compaq/cpqrid Compaq Remote Insight Driver 346 210 = /dev/impi/bt IMPI coprocessor block transfer 347 211 = /dev/impi/smic IMPI coprocessor stream interface 348 212 = /dev/watchdogs/0 First watchdog device 349 213 = /dev/watchdogs/1 Second watchdog device 350 214 = /dev/watchdogs/2 Third watchdog device 351 215 = /dev/watchdogs/3 Fourth watchdog device 352 216 = /dev/fujitsu/apanel Fujitsu/Siemens application panel 353 217 = /dev/ni/natmotn National Instruments Motion 354 218 = /dev/kchuid Inter-process chuid control 355 219 = /dev/modems/mwave MWave modem firmware upload 356 220 = /dev/mptctl Message passing technology (MPT) control 357 221 = /dev/mvista/hssdsi Montavista PICMG hot swap system driver 358 222 = /dev/mvista/hasi Montavista PICMG high availability 359 223 = /dev/input/uinput User level driver support for input 360 224 = /dev/tpm TCPA TPM driver 361 225 = /dev/pps Pulse Per Second driver 362 226 = /dev/systrace Systrace device 363 227 = /dev/mcelog X86_64 Machine Check Exception driver 364 228 = /dev/hpet HPET driver 365 229 = /dev/fuse Fuse (virtual filesystem in user-space) 366 230 = /dev/midishare MidiShare driver 367 231 = /dev/snapshot System memory snapshot device 368 232 = /dev/kvm Kernel-based virtual machine (hardware virtualization extensions) 369 233 = /dev/kmview View-OS A process with a view 370 234 = /dev/btrfs-control Btrfs control device 371 235 = /dev/autofs Autofs control device 372 236 = /dev/mapper/control Device-Mapper control device 373 237 = /dev/loop-control Loopback control device 374 238 = /dev/vhost-net Host kernel accelerator for virtio net 375 239 = /dev/uhid User-space I/O driver support for HID subsystem 376 240 = /dev/userio Serio driver testing device 377 241 = /dev/vhost-vsock Host kernel driver for virtio vsock 378 379 242-254 Reserved for local use 380 255 Reserved for MISC_DYNAMIC_MINOR 381 382 11 char Raw keyboard device (Linux/SPARC only) 383 0 = /dev/kbd Raw keyboard device 384 385 11 char Serial Mux device (Linux/PA-RISC only) 386 0 = /dev/ttyB0 First mux port 387 1 = /dev/ttyB1 Second mux port 388 ... 389 390 11 block SCSI CD-ROM devices 391 0 = /dev/scd0 First SCSI CD-ROM 392 1 = /dev/scd1 Second SCSI CD-ROM 393 ... 394 395 The prefix /dev/sr (instead of /dev/scd) has been deprecated. 396 397 12 char QIC-02 tape 398 2 = /dev/ntpqic11 QIC-11, no rewind-on-close 399 3 = /dev/tpqic11 QIC-11, rewind-on-close 400 4 = /dev/ntpqic24 QIC-24, no rewind-on-close 401 5 = /dev/tpqic24 QIC-24, rewind-on-close 402 6 = /dev/ntpqic120 QIC-120, no rewind-on-close 403 7 = /dev/tpqic120 QIC-120, rewind-on-close 404 8 = /dev/ntpqic150 QIC-150, no rewind-on-close 405 9 = /dev/tpqic150 QIC-150, rewind-on-close 406 407 The device names specified are proposed -- if there 408 are "standard" names for these devices, please let me know. 409 410 12 block 411 412 13 char Input core 413 0 = /dev/input/js0 First joystick 414 1 = /dev/input/js1 Second joystick 415 ... 416 32 = /dev/input/mouse0 First mouse 417 33 = /dev/input/mouse1 Second mouse 418 ... 419 63 = /dev/input/mice Unified mouse 420 64 = /dev/input/event0 First event queue 421 65 = /dev/input/event1 Second event queue 422 ... 423 424 Each device type has 5 bits (32 minors). 425 426 13 block Previously used for the XT disk (/dev/xdN) 427 Deleted in kernel v3.9. 428 429 14 char Open Sound System (OSS) 430 0 = /dev/mixer Mixer control 431 1 = /dev/sequencer Audio sequencer 432 2 = /dev/midi00 First MIDI port 433 3 = /dev/dsp Digital audio 434 4 = /dev/audio Sun-compatible digital audio 435 6 = 436 7 = /dev/audioctl SPARC audio control device 437 8 = /dev/sequencer2 Sequencer -- alternate device 438 16 = /dev/mixer1 Second soundcard mixer control 439 17 = /dev/patmgr0 Sequencer patch manager 440 18 = /dev/midi01 Second MIDI port 441 19 = /dev/dsp1 Second soundcard digital audio 442 20 = /dev/audio1 Second soundcard Sun digital audio 443 33 = /dev/patmgr1 Sequencer patch manager 444 34 = /dev/midi02 Third MIDI port 445 50 = /dev/midi03 Fourth MIDI port 446 447 14 block 448 449 15 char Joystick 450 0 = /dev/js0 First analog joystick 451 1 = /dev/js1 Second analog joystick 452 ... 453 128 = /dev/djs0 First digital joystick 454 129 = /dev/djs1 Second digital joystick 455 ... 456 15 block Sony CDU-31A/CDU-33A CD-ROM 457 0 = /dev/sonycd Sony CDU-31a CD-ROM 458 459 16 char Non-SCSI scanners 460 0 = /dev/gs4500 Genius 4500 handheld scanner 461 462 16 block GoldStar CD-ROM 463 0 = /dev/gscd GoldStar CD-ROM 464 465 17 char OBSOLETE (was Chase serial card) 466 0 = /dev/ttyH0 First Chase port 467 1 = /dev/ttyH1 Second Chase port 468 ... 469 17 block Optics Storage CD-ROM 470 0 = /dev/optcd Optics Storage CD-ROM 471 472 18 char OBSOLETE (was Chase serial card - alternate devices) 473 0 = /dev/cuh0 Callout device for ttyH0 474 1 = /dev/cuh1 Callout device for ttyH1 475 ... 476 18 block Sanyo CD-ROM 477 0 = /dev/sjcd Sanyo CD-ROM 478 479 19 char Cyclades serial card 480 0 = /dev/ttyC0 First Cyclades port 481 ... 482 31 = /dev/ttyC31 32nd Cyclades port 483 484 19 block "Double" compressed disk 485 0 = /dev/double0 First compressed disk 486 ... 487 7 = /dev/double7 Eighth compressed disk 488 128 = /dev/cdouble0 Mirror of first compressed disk 489 ... 490 135 = /dev/cdouble7 Mirror of eighth compressed disk 491 492 See the Double documentation for the meaning of the 493 mirror devices. 494 495 20 char Cyclades serial card - alternate devices 496 0 = /dev/cub0 Callout device for ttyC0 497 ... 498 31 = /dev/cub31 Callout device for ttyC31 499 500 20 block Hitachi CD-ROM (under development) 501 0 = /dev/hitcd Hitachi CD-ROM 502 503 21 char Generic SCSI access 504 0 = /dev/sg0 First generic SCSI device 505 1 = /dev/sg1 Second generic SCSI device 506 ... 507 508 Most distributions name these /dev/sga, /dev/sgb...; 509 this sets an unnecessary limit of 26 SCSI devices in 510 the system and is counter to standard Linux 511 device-naming practice. 512 513 21 block Acorn MFM hard drive interface 514 0 = /dev/mfma First MFM drive whole disk 515 64 = /dev/mfmb Second MFM drive whole disk 516 517 This device is used on the ARM-based Acorn RiscPC. 518 Partitions are handled the same way as for IDE disks 519 (see major number 3). 520 521 22 char Digiboard serial card 522 0 = /dev/ttyD0 First Digiboard port 523 1 = /dev/ttyD1 Second Digiboard port 524 ... 525 22 block Second IDE hard disk/CD-ROM interface 526 0 = /dev/hdc Master: whole disk (or CD-ROM) 527 64 = /dev/hdd Slave: whole disk (or CD-ROM) 528 529 Partitions are handled the same way as for the first 530 interface (see major number 3). 531 532 23 char Digiboard serial card - alternate devices 533 0 = /dev/cud0 Callout device for ttyD0 534 1 = /dev/cud1 Callout device for ttyD1 535 ... 536 23 block Mitsumi proprietary CD-ROM 537 0 = /dev/mcd Mitsumi CD-ROM 538 539 24 char Stallion serial card 540 0 = /dev/ttyE0 Stallion port 0 card 0 541 1 = /dev/ttyE1 Stallion port 1 card 0 542 ... 543 64 = /dev/ttyE64 Stallion port 0 card 1 544 65 = /dev/ttyE65 Stallion port 1 card 1 545 ... 546 128 = /dev/ttyE128 Stallion port 0 card 2 547 129 = /dev/ttyE129 Stallion port 1 card 2 548 ... 549 192 = /dev/ttyE192 Stallion port 0 card 3 550 193 = /dev/ttyE193 Stallion port 1 card 3 551 ... 552 24 block Sony CDU-535 CD-ROM 553 0 = /dev/cdu535 Sony CDU-535 CD-ROM 554 555 25 char Stallion serial card - alternate devices 556 0 = /dev/cue0 Callout device for ttyE0 557 1 = /dev/cue1 Callout device for ttyE1 558 ... 559 64 = /dev/cue64 Callout device for ttyE64 560 65 = /dev/cue65 Callout device for ttyE65 561 ... 562 128 = /dev/cue128 Callout device for ttyE128 563 129 = /dev/cue129 Callout device for ttyE129 564 ... 565 192 = /dev/cue192 Callout device for ttyE192 566 193 = /dev/cue193 Callout device for ttyE193 567 ... 568 25 block First Matsushita (Panasonic/SoundBlaster) CD-ROM 569 0 = /dev/sbpcd0 Panasonic CD-ROM controller 0 unit 0 570 1 = /dev/sbpcd1 Panasonic CD-ROM controller 0 unit 1 571 2 = /dev/sbpcd2 Panasonic CD-ROM controller 0 unit 2 572 3 = /dev/sbpcd3 Panasonic CD-ROM controller 0 unit 3 573 574 26 char 575 576 26 block Second Matsushita (Panasonic/SoundBlaster) CD-ROM 577 0 = /dev/sbpcd4 Panasonic CD-ROM controller 1 unit 0 578 1 = /dev/sbpcd5 Panasonic CD-ROM controller 1 unit 1 579 2 = /dev/sbpcd6 Panasonic CD-ROM controller 1 unit 2 580 3 = /dev/sbpcd7 Panasonic CD-ROM controller 1 unit 3 581 582 27 char QIC-117 tape 583 0 = /dev/qft0 Unit 0, rewind-on-close 584 1 = /dev/qft1 Unit 1, rewind-on-close 585 2 = /dev/qft2 Unit 2, rewind-on-close 586 3 = /dev/qft3 Unit 3, rewind-on-close 587 4 = /dev/nqft0 Unit 0, no rewind-on-close 588 5 = /dev/nqft1 Unit 1, no rewind-on-close 589 6 = /dev/nqft2 Unit 2, no rewind-on-close 590 7 = /dev/nqft3 Unit 3, no rewind-on-close 591 16 = /dev/zqft0 Unit 0, rewind-on-close, compression 592 17 = /dev/zqft1 Unit 1, rewind-on-close, compression 593 18 = /dev/zqft2 Unit 2, rewind-on-close, compression 594 19 = /dev/zqft3 Unit 3, rewind-on-close, compression 595 20 = /dev/nzqft0 Unit 0, no rewind-on-close, compression 596 21 = /dev/nzqft1 Unit 1, no rewind-on-close, compression 597 22 = /dev/nzqft2 Unit 2, no rewind-on-close, compression 598 23 = /dev/nzqft3 Unit 3, no rewind-on-close, compression 599 32 = /dev/rawqft0 Unit 0, rewind-on-close, no file marks 600 33 = /dev/rawqft1 Unit 1, rewind-on-close, no file marks 601 34 = /dev/rawqft2 Unit 2, rewind-on-close, no file marks 602 35 = /dev/rawqft3 Unit 3, rewind-on-close, no file marks 603 36 = /dev/nrawqft0 Unit 0, no rewind-on-close, no file marks 604 37 = /dev/nrawqft1 Unit 1, no rewind-on-close, no file marks 605 38 = /dev/nrawqft2 Unit 2, no rewind-on-close, no file marks 606 39 = /dev/nrawqft3 Unit 3, no rewind-on-close, no file marks 607 608 27 block Third Matsushita (Panasonic/SoundBlaster) CD-ROM 609 0 = /dev/sbpcd8 Panasonic CD-ROM controller 2 unit 0 610 1 = /dev/sbpcd9 Panasonic CD-ROM controller 2 unit 1 611 2 = /dev/sbpcd10 Panasonic CD-ROM controller 2 unit 2 612 3 = /dev/sbpcd11 Panasonic CD-ROM controller 2 unit 3 613 614 28 char Stallion serial card - card programming 615 0 = /dev/staliomem0 First Stallion card I/O memory 616 1 = /dev/staliomem1 Second Stallion card I/O memory 617 2 = /dev/staliomem2 Third Stallion card I/O memory 618 3 = /dev/staliomem3 Fourth Stallion card I/O memory 619 620 28 char Atari SLM ACSI laser printer (68k/Atari) 621 0 = /dev/slm0 First SLM laser printer 622 1 = /dev/slm1 Second SLM laser printer 623 ... 624 28 block Fourth Matsushita (Panasonic/SoundBlaster) CD-ROM 625 0 = /dev/sbpcd12 Panasonic CD-ROM controller 3 unit 0 626 1 = /dev/sbpcd13 Panasonic CD-ROM controller 3 unit 1 627 2 = /dev/sbpcd14 Panasonic CD-ROM controller 3 unit 2 628 3 = /dev/sbpcd15 Panasonic CD-ROM controller 3 unit 3 629 630 28 block ACSI disk (68k/Atari) 631 0 = /dev/ada First ACSI disk whole disk 632 16 = /dev/adb Second ACSI disk whole disk 633 32 = /dev/adc Third ACSI disk whole disk 634 ... 635 240 = /dev/adp 16th ACSI disk whole disk 636 637 Partitions are handled in the same way as for IDE 638 disks (see major number 3) except that the limit on 639 partitions is 15, like SCSI. 640 641 29 char Universal frame buffer 642 0 = /dev/fb0 First frame buffer 643 1 = /dev/fb1 Second frame buffer 644 ... 645 31 = /dev/fb31 32nd frame buffer 646 647 29 block Aztech/Orchid/Okano/Wearnes CD-ROM 648 0 = /dev/aztcd Aztech CD-ROM 649 650 30 char iBCS-2 compatibility devices 651 0 = /dev/socksys Socket access 652 1 = /dev/spx SVR3 local X interface 653 32 = /dev/inet/ip Network access 654 33 = /dev/inet/icmp 655 34 = /dev/inet/ggp 656 35 = /dev/inet/ipip 657 36 = /dev/inet/tcp 658 37 = /dev/inet/egp 659 38 = /dev/inet/pup 660 39 = /dev/inet/udp 661 40 = /dev/inet/idp 662 41 = /dev/inet/rawip 663 664 Additionally, iBCS-2 requires the following links: 665 666 /dev/ip -> /dev/inet/ip 667 /dev/icmp -> /dev/inet/icmp 668 /dev/ggp -> /dev/inet/ggp 669 /dev/ipip -> /dev/inet/ipip 670 /dev/tcp -> /dev/inet/tcp 671 /dev/egp -> /dev/inet/egp 672 /dev/pup -> /dev/inet/pup 673 /dev/udp -> /dev/inet/udp 674 /dev/idp -> /dev/inet/idp 675 /dev/rawip -> /dev/inet/rawip 676 /dev/inet/arp -> /dev/inet/udp 677 /dev/inet/rip -> /dev/inet/udp 678 /dev/nfsd -> /dev/socksys 679 /dev/X0R -> /dev/null (? apparently not required ?) 680 681 30 block Philips LMS CM-205 CD-ROM 682 0 = /dev/cm205cd Philips LMS CM-205 CD-ROM 683 684 /dev/lmscd is an older name for this device. This 685 driver does not work with the CM-205MS CD-ROM. 686 687 31 char MPU-401 MIDI 688 0 = /dev/mpu401data MPU-401 data port 689 1 = /dev/mpu401stat MPU-401 status port 690 691 31 block ROM/flash memory card 692 0 = /dev/rom0 First ROM card (rw) 693 ... 694 7 = /dev/rom7 Eighth ROM card (rw) 695 8 = /dev/rrom0 First ROM card (ro) 696 ... 697 15 = /dev/rrom7 Eighth ROM card (ro) 698 16 = /dev/flash0 First flash memory card (rw) 699 ... 700 23 = /dev/flash7 Eighth flash memory card (rw) 701 24 = /dev/rflash0 First flash memory card (ro) 702 ... 703 31 = /dev/rflash7 Eighth flash memory card (ro) 704 705 The read-write (rw) devices support back-caching 706 written data in RAM, as well as writing to flash RAM 707 devices. The read-only devices (ro) support reading 708 only. 709 710 32 char Specialix serial card 711 0 = /dev/ttyX0 First Specialix port 712 1 = /dev/ttyX1 Second Specialix port 713 ... 714 32 block Philips LMS CM-206 CD-ROM 715 0 = /dev/cm206cd Philips LMS CM-206 CD-ROM 716 717 33 char Specialix serial card - alternate devices 718 0 = /dev/cux0 Callout device for ttyX0 719 1 = /dev/cux1 Callout device for ttyX1 720 ... 721 33 block Third IDE hard disk/CD-ROM interface 722 0 = /dev/hde Master: whole disk (or CD-ROM) 723 64 = /dev/hdf Slave: whole disk (or CD-ROM) 724 725 Partitions are handled the same way as for the first 726 interface (see major number 3). 727 728 34 char Z8530 HDLC driver 729 0 = /dev/scc0 First Z8530, first port 730 1 = /dev/scc1 First Z8530, second port 731 2 = /dev/scc2 Second Z8530, first port 732 3 = /dev/scc3 Second Z8530, second port 733 ... 734 735 In a previous version these devices were named 736 /dev/sc1 for /dev/scc0, /dev/sc2 for /dev/scc1, and so 737 on. 738 739 34 block Fourth IDE hard disk/CD-ROM interface 740 0 = /dev/hdg Master: whole disk (or CD-ROM) 741 64 = /dev/hdh Slave: whole disk (or CD-ROM) 742 743 Partitions are handled the same way as for the first 744 interface (see major number 3). 745 746 35 char tclmidi MIDI driver 747 0 = /dev/midi0 First MIDI port, kernel timed 748 1 = /dev/midi1 Second MIDI port, kernel timed 749 2 = /dev/midi2 Third MIDI port, kernel timed 750 3 = /dev/midi3 Fourth MIDI port, kernel timed 751 64 = /dev/rmidi0 First MIDI port, untimed 752 65 = /dev/rmidi1 Second MIDI port, untimed 753 66 = /dev/rmidi2 Third MIDI port, untimed 754 67 = /dev/rmidi3 Fourth MIDI port, untimed 755 128 = /dev/smpte0 First MIDI port, SMPTE timed 756 129 = /dev/smpte1 Second MIDI port, SMPTE timed 757 130 = /dev/smpte2 Third MIDI port, SMPTE timed 758 131 = /dev/smpte3 Fourth MIDI port, SMPTE timed 759 760 35 block Slow memory ramdisk 761 0 = /dev/slram Slow memory ramdisk 762 763 36 char Netlink support 764 0 = /dev/route Routing, device updates, kernel to user 765 1 = /dev/skip enSKIP security cache control 766 3 = /dev/fwmonitor Firewall packet copies 767 16 = /dev/tap0 First Ethertap device 768 ... 769 31 = /dev/tap15 16th Ethertap device 770 771 36 block OBSOLETE (was MCA ESDI hard disk) 772 773 37 char IDE tape 774 0 = /dev/ht0 First IDE tape 775 1 = /dev/ht1 Second IDE tape 776 ... 777 128 = /dev/nht0 First IDE tape, no rewind-on-close 778 129 = /dev/nht1 Second IDE tape, no rewind-on-close 779 ... 780 781 Currently, only one IDE tape drive is supported. 782 783 37 block Zorro II ramdisk 784 0 = /dev/z2ram Zorro II ramdisk 785 786 38 char Myricom PCI Myrinet board 787 0 = /dev/mlanai0 First Myrinet board 788 1 = /dev/mlanai1 Second Myrinet board 789 ... 790 791 This device is used for status query, board control 792 and "user level packet I/O." This board is also 793 accessible as a standard networking "eth" device. 794 795 38 block OBSOLETE (was Linux/AP+) 796 797 39 char ML-16P experimental I/O board 798 0 = /dev/ml16pa-a0 First card, first analog channel 799 1 = /dev/ml16pa-a1 First card, second analog channel 800 ... 801 15 = /dev/ml16pa-a15 First card, 16th analog channel 802 16 = /dev/ml16pa-d First card, digital lines 803 17 = /dev/ml16pa-c0 First card, first counter/timer 804 18 = /dev/ml16pa-c1 First card, second counter/timer 805 19 = /dev/ml16pa-c2 First card, third counter/timer 806 32 = /dev/ml16pb-a0 Second card, first analog channel 807 33 = /dev/ml16pb-a1 Second card, second analog channel 808 ... 809 47 = /dev/ml16pb-a15 Second card, 16th analog channel 810 48 = /dev/ml16pb-d Second card, digital lines 811 49 = /dev/ml16pb-c0 Second card, first counter/timer 812 50 = /dev/ml16pb-c1 Second card, second counter/timer 813 51 = /dev/ml16pb-c2 Second card, third counter/timer 814 ... 815 39 block 816 817 40 char 818 819 40 block 820 821 41 char Yet Another Micro Monitor 822 0 = /dev/yamm Yet Another Micro Monitor 823 824 41 block 825 826 42 char Demo/sample use 827 828 42 block Demo/sample use 829 830 This number is intended for use in sample code, as 831 well as a general "example" device number. It 832 should never be used for a device driver that is being 833 distributed; either obtain an official number or use 834 the local/experimental range. The sudden addition or 835 removal of a driver with this number should not cause 836 ill effects to the system (bugs excepted.) 837 838 IN PARTICULAR, ANY DISTRIBUTION WHICH CONTAINS A 839 DEVICE DRIVER USING MAJOR NUMBER 42 IS NONCOMPLIANT. 840 841 43 char isdn4linux virtual modem 842 0 = /dev/ttyI0 First virtual modem 843 ... 844 63 = /dev/ttyI63 64th virtual modem 845 846 43 block Network block devices 847 0 = /dev/nb0 First network block device 848 1 = /dev/nb1 Second network block device 849 ... 850 851 Network Block Device is somehow similar to loopback 852 devices: If you read from it, it sends packet across 853 network asking server for data. If you write to it, it 854 sends packet telling server to write. It could be used 855 to mounting filesystems over the net, swapping over 856 the net, implementing block device in userland etc. 857 858 44 char isdn4linux virtual modem - alternate devices 859 0 = /dev/cui0 Callout device for ttyI0 860 ... 861 63 = /dev/cui63 Callout device for ttyI63 862 863 44 block Flash Translation Layer (FTL) filesystems 864 0 = /dev/ftla FTL on first Memory Technology Device 865 16 = /dev/ftlb FTL on second Memory Technology Device 866 32 = /dev/ftlc FTL on third Memory Technology Device 867 ... 868 240 = /dev/ftlp FTL on 16th Memory Technology Device 869 870 Partitions are handled in the same way as for IDE 871 disks (see major number 3) except that the partition 872 limit is 15 rather than 63 per disk (same as SCSI.) 873 874 45 char isdn4linux ISDN BRI driver 875 0 = /dev/isdn0 First virtual B channel raw data 876 ... 877 63 = /dev/isdn63 64th virtual B channel raw data 878 64 = /dev/isdnctrl0 First channel control/debug 879 ... 880 127 = /dev/isdnctrl63 64th channel control/debug 881 882 128 = /dev/ippp0 First SyncPPP device 883 ... 884 191 = /dev/ippp63 64th SyncPPP device 885 886 255 = /dev/isdninfo ISDN monitor interface 887 888 45 block Parallel port IDE disk devices 889 0 = /dev/pda First parallel port IDE disk 890 16 = /dev/pdb Second parallel port IDE disk 891 32 = /dev/pdc Third parallel port IDE disk 892 48 = /dev/pdd Fourth parallel port IDE disk 893 894 Partitions are handled in the same way as for IDE 895 disks (see major number 3) except that the partition 896 limit is 15 rather than 63 per disk. 897 898 46 char Comtrol Rocketport serial card 899 0 = /dev/ttyR0 First Rocketport port 900 1 = /dev/ttyR1 Second Rocketport port 901 ... 902 46 block Parallel port ATAPI CD-ROM devices 903 0 = /dev/pcd0 First parallel port ATAPI CD-ROM 904 1 = /dev/pcd1 Second parallel port ATAPI CD-ROM 905 2 = /dev/pcd2 Third parallel port ATAPI CD-ROM 906 3 = /dev/pcd3 Fourth parallel port ATAPI CD-ROM 907 908 47 char Comtrol Rocketport serial card - alternate devices 909 0 = /dev/cur0 Callout device for ttyR0 910 1 = /dev/cur1 Callout device for ttyR1 911 ... 912 47 block Parallel port ATAPI disk devices 913 0 = /dev/pf0 First parallel port ATAPI disk 914 1 = /dev/pf1 Second parallel port ATAPI disk 915 2 = /dev/pf2 Third parallel port ATAPI disk 916 3 = /dev/pf3 Fourth parallel port ATAPI disk 917 918 This driver is intended for floppy disks and similar 919 devices and hence does not support partitioning. 920 921 48 char SDL RISCom serial card 922 0 = /dev/ttyL0 First RISCom port 923 1 = /dev/ttyL1 Second RISCom port 924 ... 925 48 block Mylex DAC960 PCI RAID controller; first controller 926 0 = /dev/rd/c0d0 First disk, whole disk 927 8 = /dev/rd/c0d1 Second disk, whole disk 928 ... 929 248 = /dev/rd/c0d31 32nd disk, whole disk 930 931 For partitions add: 932 0 = /dev/rd/c?d? Whole disk 933 1 = /dev/rd/c?d?p1 First partition 934 ... 935 7 = /dev/rd/c?d?p7 Seventh partition 936 937 49 char SDL RISCom serial card - alternate devices 938 0 = /dev/cul0 Callout device for ttyL0 939 1 = /dev/cul1 Callout device for ttyL1 940 ... 941 49 block Mylex DAC960 PCI RAID controller; second controller 942 0 = /dev/rd/c1d0 First disk, whole disk 943 8 = /dev/rd/c1d1 Second disk, whole disk 944 ... 945 248 = /dev/rd/c1d31 32nd disk, whole disk 946 947 Partitions are handled as for major 48. 948 949 50 char Reserved for GLINT 950 951 50 block Mylex DAC960 PCI RAID controller; third controller 952 0 = /dev/rd/c2d0 First disk, whole disk 953 8 = /dev/rd/c2d1 Second disk, whole disk 954 ... 955 248 = /dev/rd/c2d31 32nd disk, whole disk 956 957 51 char Baycom radio modem OR Radio Tech BIM-XXX-RS232 radio modem 958 0 = /dev/bc0 First Baycom radio modem 959 1 = /dev/bc1 Second Baycom radio modem 960 ... 961 51 block Mylex DAC960 PCI RAID controller; fourth controller 962 0 = /dev/rd/c3d0 First disk, whole disk 963 8 = /dev/rd/c3d1 Second disk, whole disk 964 ... 965 248 = /dev/rd/c3d31 32nd disk, whole disk 966 967 Partitions are handled as for major 48. 968 969 52 char Spellcaster DataComm/BRI ISDN card 970 0 = /dev/dcbri0 First DataComm card 971 1 = /dev/dcbri1 Second DataComm card 972 2 = /dev/dcbri2 Third DataComm card 973 3 = /dev/dcbri3 Fourth DataComm card 974 975 52 block Mylex DAC960 PCI RAID controller; fifth controller 976 0 = /dev/rd/c4d0 First disk, whole disk 977 8 = /dev/rd/c4d1 Second disk, whole disk 978 ... 979 248 = /dev/rd/c4d31 32nd disk, whole disk 980 981 Partitions are handled as for major 48. 982 983 53 char BDM interface for remote debugging MC683xx microcontrollers 984 0 = /dev/pd_bdm0 PD BDM interface on lp0 985 1 = /dev/pd_bdm1 PD BDM interface on lp1 986 2 = /dev/pd_bdm2 PD BDM interface on lp2 987 4 = /dev/icd_bdm0 ICD BDM interface on lp0 988 5 = /dev/icd_bdm1 ICD BDM interface on lp1 989 6 = /dev/icd_bdm2 ICD BDM interface on lp2 990 991 This device is used for the interfacing to the MC683xx 992 microcontrollers via Background Debug Mode by use of a 993 Parallel Port interface. PD is the Motorola Public 994 Domain Interface and ICD is the commercial interface 995 by P&E. 996 997 53 block Mylex DAC960 PCI RAID controller; sixth controller 998 0 = /dev/rd/c5d0 First disk, whole disk 999 8 = /dev/rd/c5d1 Second disk, whole disk 1000 ... 1001 248 = /dev/rd/c5d31 32nd disk, whole disk 1002 1003 Partitions are handled as for major 48. 1004 1005 54 char Electrocardiognosis Holter serial card 1006 0 = /dev/holter0 First Holter port 1007 1 = /dev/holter1 Second Holter port 1008 2 = /dev/holter2 Third Holter port 1009 1010 A custom serial card used by Electrocardiognosis SRL 1011 <mseritan@ottonel.pub.ro> to transfer data from Holter 1012 24-hour heart monitoring equipment. 1013 1014 54 block Mylex DAC960 PCI RAID controller; seventh controller 1015 0 = /dev/rd/c6d0 First disk, whole disk 1016 8 = /dev/rd/c6d1 Second disk, whole disk 1017 ... 1018 248 = /dev/rd/c6d31 32nd disk, whole disk 1019 1020 Partitions are handled as for major 48. 1021 1022 55 char DSP56001 digital signal processor 1023 0 = /dev/dsp56k First DSP56001 1024 1025 55 block Mylex DAC960 PCI RAID controller; eighth controller 1026 0 = /dev/rd/c7d0 First disk, whole disk 1027 8 = /dev/rd/c7d1 Second disk, whole disk 1028 ... 1029 248 = /dev/rd/c7d31 32nd disk, whole disk 1030 1031 Partitions are handled as for major 48. 1032 1033 56 char Apple Desktop Bus 1034 0 = /dev/adb ADB bus control 1035 1036 Additional devices will be added to this number, all 1037 starting with /dev/adb. 1038 1039 56 block Fifth IDE hard disk/CD-ROM interface 1040 0 = /dev/hdi Master: whole disk (or CD-ROM) 1041 64 = /dev/hdj Slave: whole disk (or CD-ROM) 1042 1043 Partitions are handled the same way as for the first 1044 interface (see major number 3). 1045 1046 57 char Hayes ESP serial card 1047 0 = /dev/ttyP0 First ESP port 1048 1 = /dev/ttyP1 Second ESP port 1049 ... 1050 1051 57 block Sixth IDE hard disk/CD-ROM interface 1052 0 = /dev/hdk Master: whole disk (or CD-ROM) 1053 64 = /dev/hdl Slave: whole disk (or CD-ROM) 1054 1055 Partitions are handled the same way as for the first 1056 interface (see major number 3). 1057 1058 58 char Hayes ESP serial card - alternate devices 1059 0 = /dev/cup0 Callout device for ttyP0 1060 1 = /dev/cup1 Callout device for ttyP1 1061 ... 1062 1063 58 block Reserved for logical volume manager 1064 1065 59 char sf firewall package 1066 0 = /dev/firewall Communication with sf kernel module 1067 1068 59 block Generic PDA filesystem device 1069 0 = /dev/pda0 First PDA device 1070 1 = /dev/pda1 Second PDA device 1071 ... 1072 1073 The pda devices are used to mount filesystems on 1074 remote pda's (basically slow handheld machines with 1075 proprietary OS's and limited memory and storage 1076 running small fs translation drivers) through serial / 1077 IRDA / parallel links. 1078 1079 NAMING CONFLICT -- PROPOSED REVISED NAME /dev/rpda0 etc 1080 1081 60-63 char LOCAL/EXPERIMENTAL USE 1082 1083 60-63 block LOCAL/EXPERIMENTAL USE 1084 Allocated for local/experimental use. For devices not 1085 assigned official numbers, these ranges should be 1086 used in order to avoid conflicting with future assignments. 1087 1088 64 char ENskip kernel encryption package 1089 0 = /dev/enskip Communication with ENskip kernel module 1090 1091 64 block Scramdisk/DriveCrypt encrypted devices 1092 0 = /dev/scramdisk/master Master node for ioctls 1093 1 = /dev/scramdisk/1 First encrypted device 1094 2 = /dev/scramdisk/2 Second encrypted device 1095 ... 1096 255 = /dev/scramdisk/255 255th encrypted device 1097 1098 The filename of the encrypted container and the passwords 1099 are sent via ioctls (using the sdmount tool) to the master 1100 node which then activates them via one of the 1101 /dev/scramdisk/x nodes for loop mounting (all handled 1102 through the sdmount tool). 1103 1104 Requested by: andy@scramdisklinux.org 1105 1106 65 char Sundance "plink" Transputer boards (obsolete, unused) 1107 0 = /dev/plink0 First plink device 1108 1 = /dev/plink1 Second plink device 1109 2 = /dev/plink2 Third plink device 1110 3 = /dev/plink3 Fourth plink device 1111 64 = /dev/rplink0 First plink device, raw 1112 65 = /dev/rplink1 Second plink device, raw 1113 66 = /dev/rplink2 Third plink device, raw 1114 67 = /dev/rplink3 Fourth plink device, raw 1115 128 = /dev/plink0d First plink device, debug 1116 129 = /dev/plink1d Second plink device, debug 1117 130 = /dev/plink2d Third plink device, debug 1118 131 = /dev/plink3d Fourth plink device, debug 1119 192 = /dev/rplink0d First plink device, raw, debug 1120 193 = /dev/rplink1d Second plink device, raw, debug 1121 194 = /dev/rplink2d Third plink device, raw, debug 1122 195 = /dev/rplink3d Fourth plink device, raw, debug 1123 1124 This is a commercial driver; contact James Howes 1125 <jth@prosig.demon.co.uk> for information. 1126 1127 65 block SCSI disk devices (16-31) 1128 0 = /dev/sdq 17th SCSI disk whole disk 1129 16 = /dev/sdr 18th SCSI disk whole disk 1130 32 = /dev/sds 19th SCSI disk whole disk 1131 ... 1132 240 = /dev/sdaf 32nd SCSI disk whole disk 1133 1134 Partitions are handled in the same way as for IDE 1135 disks (see major number 3) except that the limit on 1136 partitions is 15. 1137 1138 66 char YARC PowerPC PCI coprocessor card 1139 0 = /dev/yppcpci0 First YARC card 1140 1 = /dev/yppcpci1 Second YARC card 1141 ... 1142 1143 66 block SCSI disk devices (32-47) 1144 0 = /dev/sdag 33th SCSI disk whole disk 1145 16 = /dev/sdah 34th SCSI disk whole disk 1146 32 = /dev/sdai 35th SCSI disk whole disk 1147 ... 1148 240 = /dev/sdav 48nd SCSI disk whole disk 1149 1150 Partitions are handled in the same way as for IDE 1151 disks (see major number 3) except that the limit on 1152 partitions is 15. 1153 1154 67 char Coda network file system 1155 0 = /dev/cfs0 Coda cache manager 1156 1157 See http://www.coda.cs.cmu.edu for information about Coda. 1158 1159 67 block SCSI disk devices (48-63) 1160 0 = /dev/sdaw 49th SCSI disk whole disk 1161 16 = /dev/sdax 50th SCSI disk whole disk 1162 32 = /dev/sday 51st SCSI disk whole disk 1163 ... 1164 240 = /dev/sdbl 64th SCSI disk whole disk 1165 1166 Partitions are handled in the same way as for IDE 1167 disks (see major number 3) except that the limit on 1168 partitions is 15. 1169 1170 68 char CAPI 2.0 interface 1171 0 = /dev/capi20 Control device 1172 1 = /dev/capi20.00 First CAPI 2.0 application 1173 2 = /dev/capi20.01 Second CAPI 2.0 application 1174 ... 1175 20 = /dev/capi20.19 19th CAPI 2.0 application 1176 1177 ISDN CAPI 2.0 driver for use with CAPI 2.0 1178 applications; currently supports the AVM B1 card. 1179 1180 68 block SCSI disk devices (64-79) 1181 0 = /dev/sdbm 65th SCSI disk whole disk 1182 16 = /dev/sdbn 66th SCSI disk whole disk 1183 32 = /dev/sdbo 67th SCSI disk whole disk 1184 ... 1185 240 = /dev/sdcb 80th SCSI disk whole disk 1186 1187 Partitions are handled in the same way as for IDE 1188 disks (see major number 3) except that the limit on 1189 partitions is 15. 1190 1191 69 char MA16 numeric accelerator card 1192 0 = /dev/ma16 Board memory access 1193 1194 69 block SCSI disk devices (80-95) 1195 0 = /dev/sdcc 81st SCSI disk whole disk 1196 16 = /dev/sdcd 82nd SCSI disk whole disk 1197 32 = /dev/sdce 83th SCSI disk whole disk 1198 ... 1199 240 = /dev/sdcr 96th SCSI disk whole disk 1200 1201 Partitions are handled in the same way as for IDE 1202 disks (see major number 3) except that the limit on 1203 partitions is 15. 1204 1205 70 char SpellCaster Protocol Services Interface 1206 0 = /dev/apscfg Configuration interface 1207 1 = /dev/apsauth Authentication interface 1208 2 = /dev/apslog Logging interface 1209 3 = /dev/apsdbg Debugging interface 1210 64 = /dev/apsisdn ISDN command interface 1211 65 = /dev/apsasync Async command interface 1212 128 = /dev/apsmon Monitor interface 1213 1214 70 block SCSI disk devices (96-111) 1215 0 = /dev/sdcs 97th SCSI disk whole disk 1216 16 = /dev/sdct 98th SCSI disk whole disk 1217 32 = /dev/sdcu 99th SCSI disk whole disk 1218 ... 1219 240 = /dev/sddh 112nd SCSI disk whole disk 1220 1221 Partitions are handled in the same way as for IDE 1222 disks (see major number 3) except that the limit on 1223 partitions is 15. 1224 1225 71 char Computone IntelliPort II serial card 1226 0 = /dev/ttyF0 IntelliPort II board 0, port 0 1227 1 = /dev/ttyF1 IntelliPort II board 0, port 1 1228 ... 1229 63 = /dev/ttyF63 IntelliPort II board 0, port 63 1230 64 = /dev/ttyF64 IntelliPort II board 1, port 0 1231 65 = /dev/ttyF65 IntelliPort II board 1, port 1 1232 ... 1233 127 = /dev/ttyF127 IntelliPort II board 1, port 63 1234 128 = /dev/ttyF128 IntelliPort II board 2, port 0 1235 129 = /dev/ttyF129 IntelliPort II board 2, port 1 1236 ... 1237 191 = /dev/ttyF191 IntelliPort II board 2, port 63 1238 192 = /dev/ttyF192 IntelliPort II board 3, port 0 1239 193 = /dev/ttyF193 IntelliPort II board 3, port 1 1240 ... 1241 255 = /dev/ttyF255 IntelliPort II board 3, port 63 1242 1243 71 block SCSI disk devices (112-127) 1244 0 = /dev/sddi 113th SCSI disk whole disk 1245 16 = /dev/sddj 114th SCSI disk whole disk 1246 32 = /dev/sddk 115th SCSI disk whole disk 1247 ... 1248 240 = /dev/sddx 128th SCSI disk whole disk 1249 1250 Partitions are handled in the same way as for IDE 1251 disks (see major number 3) except that the limit on 1252 partitions is 15. 1253 1254 72 char Computone IntelliPort II serial card - alternate devices 1255 0 = /dev/cuf0 Callout device for ttyF0 1256 1 = /dev/cuf1 Callout device for ttyF1 1257 ... 1258 63 = /dev/cuf63 Callout device for ttyF63 1259 64 = /dev/cuf64 Callout device for ttyF64 1260 65 = /dev/cuf65 Callout device for ttyF65 1261 ... 1262 127 = /dev/cuf127 Callout device for ttyF127 1263 128 = /dev/cuf128 Callout device for ttyF128 1264 129 = /dev/cuf129 Callout device for ttyF129 1265 ... 1266 191 = /dev/cuf191 Callout device for ttyF191 1267 192 = /dev/cuf192 Callout device for ttyF192 1268 193 = /dev/cuf193 Callout device for ttyF193 1269 ... 1270 255 = /dev/cuf255 Callout device for ttyF255 1271 1272 72 block Compaq Intelligent Drive Array, first controller 1273 0 = /dev/ida/c0d0 First logical drive whole disk 1274 16 = /dev/ida/c0d1 Second logical drive whole disk 1275 ... 1276 240 = /dev/ida/c0d15 16th logical drive whole disk 1277 1278 Partitions are handled the same way as for Mylex 1279 DAC960 (see major number 48) except that the limit on 1280 partitions is 15. 1281 1282 73 char Computone IntelliPort II serial card - control devices 1283 0 = /dev/ip2ipl0 Loadware device for board 0 1284 1 = /dev/ip2stat0 Status device for board 0 1285 4 = /dev/ip2ipl1 Loadware device for board 1 1286 5 = /dev/ip2stat1 Status device for board 1 1287 8 = /dev/ip2ipl2 Loadware device for board 2 1288 9 = /dev/ip2stat2 Status device for board 2 1289 12 = /dev/ip2ipl3 Loadware device for board 3 1290 13 = /dev/ip2stat3 Status device for board 3 1291 1292 73 block Compaq Intelligent Drive Array, second controller 1293 0 = /dev/ida/c1d0 First logical drive whole disk 1294 16 = /dev/ida/c1d1 Second logical drive whole disk 1295 ... 1296 240 = /dev/ida/c1d15 16th logical drive whole disk 1297 1298 Partitions are handled the same way as for Mylex 1299 DAC960 (see major number 48) except that the limit on 1300 partitions is 15. 1301 1302 74 char SCI bridge 1303 0 = /dev/SCI/0 SCI device 0 1304 1 = /dev/SCI/1 SCI device 1 1305 ... 1306 1307 Currently for Dolphin Interconnect Solutions' PCI-SCI 1308 bridge. 1309 1310 74 block Compaq Intelligent Drive Array, third controller 1311 0 = /dev/ida/c2d0 First logical drive whole disk 1312 16 = /dev/ida/c2d1 Second logical drive whole disk 1313 ... 1314 240 = /dev/ida/c2d15 16th logical drive whole disk 1315 1316 Partitions are handled the same way as for Mylex 1317 DAC960 (see major number 48) except that the limit on 1318 partitions is 15. 1319 1320 75 char Specialix IO8+ serial card 1321 0 = /dev/ttyW0 First IO8+ port, first card 1322 1 = /dev/ttyW1 Second IO8+ port, first card 1323 ... 1324 8 = /dev/ttyW8 First IO8+ port, second card 1325 ... 1326 1327 75 block Compaq Intelligent Drive Array, fourth controller 1328 0 = /dev/ida/c3d0 First logical drive whole disk 1329 16 = /dev/ida/c3d1 Second logical drive whole disk 1330 ... 1331 240 = /dev/ida/c3d15 16th logical drive whole disk 1332 1333 Partitions are handled the same way as for Mylex 1334 DAC960 (see major number 48) except that the limit on 1335 partitions is 15. 1336 1337 76 char Specialix IO8+ serial card - alternate devices 1338 0 = /dev/cuw0 Callout device for ttyW0 1339 1 = /dev/cuw1 Callout device for ttyW1 1340 ... 1341 8 = /dev/cuw8 Callout device for ttyW8 1342 ... 1343 1344 76 block Compaq Intelligent Drive Array, fifth controller 1345 0 = /dev/ida/c4d0 First logical drive whole disk 1346 16 = /dev/ida/c4d1 Second logical drive whole disk 1347 ... 1348 240 = /dev/ida/c4d15 16th logical drive whole disk 1349 1350 Partitions are handled the same way as for Mylex 1351 DAC960 (see major number 48) except that the limit on 1352 partitions is 15. 1353 1354 1355 77 char ComScire Quantum Noise Generator 1356 0 = /dev/qng ComScire Quantum Noise Generator 1357 1358 77 block Compaq Intelligent Drive Array, sixth controller 1359 0 = /dev/ida/c5d0 First logical drive whole disk 1360 16 = /dev/ida/c5d1 Second logical drive whole disk 1361 ... 1362 240 = /dev/ida/c5d15 16th logical drive whole disk 1363 1364 Partitions are handled the same way as for Mylex 1365 DAC960 (see major number 48) except that the limit on 1366 partitions is 15. 1367 1368 78 char PAM Software's multimodem boards 1369 0 = /dev/ttyM0 First PAM modem 1370 1 = /dev/ttyM1 Second PAM modem 1371 ... 1372 1373 78 block Compaq Intelligent Drive Array, seventh controller 1374 0 = /dev/ida/c6d0 First logical drive whole disk 1375 16 = /dev/ida/c6d1 Second logical drive whole disk 1376 ... 1377 240 = /dev/ida/c6d15 16th logical drive whole disk 1378 1379 Partitions are handled the same way as for Mylex 1380 DAC960 (see major number 48) except that the limit on 1381 partitions is 15. 1382 1383 79 char PAM Software's multimodem boards - alternate devices 1384 0 = /dev/cum0 Callout device for ttyM0 1385 1 = /dev/cum1 Callout device for ttyM1 1386 ... 1387 1388 79 block Compaq Intelligent Drive Array, eighth controller 1389 0 = /dev/ida/c7d0 First logical drive whole disk 1390 16 = /dev/ida/c7d1 Second logical drive whole disk 1391 ... 1392 240 = /dev/ida/c715 16th logical drive whole disk 1393 1394 Partitions are handled the same way as for Mylex 1395 DAC960 (see major number 48) except that the limit on 1396 partitions is 15. 1397 1398 80 char Photometrics AT200 CCD camera 1399 0 = /dev/at200 Photometrics AT200 CCD camera 1400 1401 80 block I2O hard disk 1402 0 = /dev/i2o/hda First I2O hard disk, whole disk 1403 16 = /dev/i2o/hdb Second I2O hard disk, whole disk 1404 ... 1405 240 = /dev/i2o/hdp 16th I2O hard disk, whole disk 1406 1407 Partitions are handled in the same way as for IDE 1408 disks (see major number 3) except that the limit on 1409 partitions is 15. 1410 1411 81 char video4linux 1412 0 = /dev/video0 Video capture/overlay device 1413 ... 1414 63 = /dev/video63 Video capture/overlay device 1415 64 = /dev/radio0 Radio device 1416 ... 1417 127 = /dev/radio63 Radio device 1418 128 = /dev/swradio0 Software Defined Radio device 1419 ... 1420 191 = /dev/swradio63 Software Defined Radio device 1421 224 = /dev/vbi0 Vertical blank interrupt 1422 ... 1423 255 = /dev/vbi31 Vertical blank interrupt 1424 1425 Minor numbers are allocated dynamically unless 1426 CONFIG_VIDEO_FIXED_MINOR_RANGES (default n) 1427 configuration option is set. 1428 1429 81 block I2O hard disk 1430 0 = /dev/i2o/hdq 17th I2O hard disk, whole disk 1431 16 = /dev/i2o/hdr 18th I2O hard disk, whole disk 1432 ... 1433 240 = /dev/i2o/hdaf 32nd I2O hard disk, whole disk 1434 1435 Partitions are handled in the same way as for IDE 1436 disks (see major number 3) except that the limit on 1437 partitions is 15. 1438 1439 82 char WiNRADiO communications receiver card 1440 0 = /dev/winradio0 First WiNRADiO card 1441 1 = /dev/winradio1 Second WiNRADiO card 1442 ... 1443 1444 The driver and documentation may be obtained from 1445 http://www.winradio.com/ 1446 1447 82 block I2O hard disk 1448 0 = /dev/i2o/hdag 33rd I2O hard disk, whole disk 1449 16 = /dev/i2o/hdah 34th I2O hard disk, whole disk 1450 ... 1451 240 = /dev/i2o/hdav 48th I2O hard disk, whole disk 1452 1453 Partitions are handled in the same way as for IDE 1454 disks (see major number 3) except that the limit on 1455 partitions is 15. 1456 1457 83 char Matrox mga_vid video driver 1458 0 = /dev/mga_vid0 1st video card 1459 1 = /dev/mga_vid1 2nd video card 1460 2 = /dev/mga_vid2 3rd video card 1461 ... 1462 15 = /dev/mga_vid15 16th video card 1463 1464 83 block I2O hard disk 1465 0 = /dev/i2o/hdaw 49th I2O hard disk, whole disk 1466 16 = /dev/i2o/hdax 50th I2O hard disk, whole disk 1467 ... 1468 240 = /dev/i2o/hdbl 64th I2O hard disk, whole disk 1469 1470 Partitions are handled in the same way as for IDE 1471 disks (see major number 3) except that the limit on 1472 partitions is 15. 1473 1474 84 char Ikon 1011[57] Versatec Greensheet Interface 1475 0 = /dev/ihcp0 First Greensheet port 1476 1 = /dev/ihcp1 Second Greensheet port 1477 1478 84 block I2O hard disk 1479 0 = /dev/i2o/hdbm 65th I2O hard disk, whole disk 1480 16 = /dev/i2o/hdbn 66th I2O hard disk, whole disk 1481 ... 1482 240 = /dev/i2o/hdcb 80th I2O hard disk, whole disk 1483 1484 Partitions are handled in the same way as for IDE 1485 disks (see major number 3) except that the limit on 1486 partitions is 15. 1487 1488 85 char Linux/SGI shared memory input queue 1489 0 = /dev/shmiq Master shared input queue 1490 1 = /dev/qcntl0 First device pushed 1491 2 = /dev/qcntl1 Second device pushed 1492 ... 1493 1494 85 block I2O hard disk 1495 0 = /dev/i2o/hdcc 81st I2O hard disk, whole disk 1496 16 = /dev/i2o/hdcd 82nd I2O hard disk, whole disk 1497 ... 1498 240 = /dev/i2o/hdcr 96th I2O hard disk, whole disk 1499 1500 Partitions are handled in the same way as for IDE 1501 disks (see major number 3) except that the limit on 1502 partitions is 15. 1503 1504 86 char SCSI media changer 1505 0 = /dev/sch0 First SCSI media changer 1506 1 = /dev/sch1 Second SCSI media changer 1507 ... 1508 1509 86 block I2O hard disk 1510 0 = /dev/i2o/hdcs 97th I2O hard disk, whole disk 1511 16 = /dev/i2o/hdct 98th I2O hard disk, whole disk 1512 ... 1513 240 = /dev/i2o/hddh 112th I2O hard disk, whole disk 1514 1515 Partitions are handled in the same way as for IDE 1516 disks (see major number 3) except that the limit on 1517 partitions is 15. 1518 1519 87 char Sony Control-A1 stereo control bus 1520 0 = /dev/controla0 First device on chain 1521 1 = /dev/controla1 Second device on chain 1522 ... 1523 1524 87 block I2O hard disk 1525 0 = /dev/i2o/hddi 113rd I2O hard disk, whole disk 1526 16 = /dev/i2o/hddj 114th I2O hard disk, whole disk 1527 ... 1528 240 = /dev/i2o/hddx 128th I2O hard disk, whole disk 1529 1530 Partitions are handled in the same way as for IDE 1531 disks (see major number 3) except that the limit on 1532 partitions is 15. 1533 1534 88 char COMX synchronous serial card 1535 0 = /dev/comx0 COMX channel 0 1536 1 = /dev/comx1 COMX channel 1 1537 ... 1538 1539 88 block Seventh IDE hard disk/CD-ROM interface 1540 0 = /dev/hdm Master: whole disk (or CD-ROM) 1541 64 = /dev/hdn Slave: whole disk (or CD-ROM) 1542 1543 Partitions are handled the same way as for the first 1544 interface (see major number 3). 1545 1546 89 char I2C bus interface 1547 0 = /dev/i2c-0 First I2C adapter 1548 1 = /dev/i2c-1 Second I2C adapter 1549 ... 1550 1551 89 block Eighth IDE hard disk/CD-ROM interface 1552 0 = /dev/hdo Master: whole disk (or CD-ROM) 1553 64 = /dev/hdp Slave: whole disk (or CD-ROM) 1554 1555 Partitions are handled the same way as for the first 1556 interface (see major number 3). 1557 1558 90 char Memory Technology Device (RAM, ROM, Flash) 1559 0 = /dev/mtd0 First MTD (rw) 1560 1 = /dev/mtdr0 First MTD (ro) 1561 ... 1562 30 = /dev/mtd15 16th MTD (rw) 1563 31 = /dev/mtdr15 16th MTD (ro) 1564 1565 90 block Ninth IDE hard disk/CD-ROM interface 1566 0 = /dev/hdq Master: whole disk (or CD-ROM) 1567 64 = /dev/hdr Slave: whole disk (or CD-ROM) 1568 1569 Partitions are handled the same way as for the first 1570 interface (see major number 3). 1571 1572 91 char CAN-Bus devices 1573 0 = /dev/can0 First CAN-Bus controller 1574 1 = /dev/can1 Second CAN-Bus controller 1575 ... 1576 1577 91 block Tenth IDE hard disk/CD-ROM interface 1578 0 = /dev/hds Master: whole disk (or CD-ROM) 1579 64 = /dev/hdt Slave: whole disk (or CD-ROM) 1580 1581 Partitions are handled the same way as for the first 1582 interface (see major number 3). 1583 1584 92 char Reserved for ith Kommunikationstechnik MIC ISDN card 1585 1586 92 block PPDD encrypted disk driver 1587 0 = /dev/ppdd0 First encrypted disk 1588 1 = /dev/ppdd1 Second encrypted disk 1589 ... 1590 1591 Partitions are handled in the same way as for IDE 1592 disks (see major number 3) except that the limit on 1593 partitions is 15. 1594 1595 93 char 1596 1597 93 block NAND Flash Translation Layer filesystem 1598 0 = /dev/nftla First NFTL layer 1599 16 = /dev/nftlb Second NFTL layer 1600 ... 1601 240 = /dev/nftlp 16th NTFL layer 1602 1603 94 char 1604 1605 94 block IBM S/390 DASD block storage 1606 0 = /dev/dasda First DASD device, major 1607 1 = /dev/dasda1 First DASD device, block 1 1608 2 = /dev/dasda2 First DASD device, block 2 1609 3 = /dev/dasda3 First DASD device, block 3 1610 4 = /dev/dasdb Second DASD device, major 1611 5 = /dev/dasdb1 Second DASD device, block 1 1612 6 = /dev/dasdb2 Second DASD device, block 2 1613 7 = /dev/dasdb3 Second DASD device, block 3 1614 ... 1615 1616 95 char IP filter 1617 0 = /dev/ipl Filter control device/log file 1618 1 = /dev/ipnat NAT control device/log file 1619 2 = /dev/ipstate State information log file 1620 3 = /dev/ipauth Authentication control device/log file 1621 ... 1622 1623 96 char Parallel port ATAPI tape devices 1624 0 = /dev/pt0 First parallel port ATAPI tape 1625 1 = /dev/pt1 Second parallel port ATAPI tape 1626 ... 1627 128 = /dev/npt0 First p.p. ATAPI tape, no rewind 1628 129 = /dev/npt1 Second p.p. ATAPI tape, no rewind 1629 ... 1630 1631 96 block Inverse NAND Flash Translation Layer 1632 0 = /dev/inftla First INFTL layer 1633 16 = /dev/inftlb Second INFTL layer 1634 ... 1635 240 = /dev/inftlp 16th INTFL layer 1636 1637 97 char Parallel port generic ATAPI interface 1638 0 = /dev/pg0 First parallel port ATAPI device 1639 1 = /dev/pg1 Second parallel port ATAPI device 1640 2 = /dev/pg2 Third parallel port ATAPI device 1641 3 = /dev/pg3 Fourth parallel port ATAPI device 1642 1643 These devices support the same API as the generic SCSI 1644 devices. 1645 1646 98 char Control and Measurement Device (comedi) 1647 0 = /dev/comedi0 First comedi device 1648 1 = /dev/comedi1 Second comedi device 1649 ... 1650 47 = /dev/comedi47 48th comedi device 1651 1652 Minors 48 to 255 are reserved for comedi subdevices with 1653 pathnames of the form "/dev/comediX_subdY", where "X" is the 1654 minor number of the associated comedi device and "Y" is the 1655 subdevice number. These subdevice minors are assigned 1656 dynamically, so there is no fixed mapping from subdevice 1657 pathnames to minor numbers. 1658 1659 See http://www.comedi.org/ for information about the Comedi 1660 project. 1661 1662 98 block User-mode virtual block device 1663 0 = /dev/ubda First user-mode block device 1664 16 = /dev/udbb Second user-mode block device 1665 ... 1666 1667 Partitions are handled in the same way as for IDE 1668 disks (see major number 3) except that the limit on 1669 partitions is 15. 1670 1671 This device is used by the user-mode virtual kernel port. 1672 1673 99 char Raw parallel ports 1674 0 = /dev/parport0 First parallel port 1675 1 = /dev/parport1 Second parallel port 1676 ... 1677 1678 99 block JavaStation flash disk 1679 0 = /dev/jsfd JavaStation flash disk 1680 1681 100 char Telephony for Linux 1682 0 = /dev/phone0 First telephony device 1683 1 = /dev/phone1 Second telephony device 1684 ... 1685 1686 101 char Motorola DSP 56xxx board 1687 0 = /dev/mdspstat Status information 1688 1 = /dev/mdsp1 First DSP board I/O controls 1689 ... 1690 16 = /dev/mdsp16 16th DSP board I/O controls 1691 1692 101 block AMI HyperDisk RAID controller 1693 0 = /dev/amiraid/ar0 First array whole disk 1694 16 = /dev/amiraid/ar1 Second array whole disk 1695 ... 1696 240 = /dev/amiraid/ar15 16th array whole disk 1697 1698 For each device, partitions are added as: 1699 0 = /dev/amiraid/ar? Whole disk 1700 1 = /dev/amiraid/ar?p1 First partition 1701 2 = /dev/amiraid/ar?p2 Second partition 1702 ... 1703 15 = /dev/amiraid/ar?p15 15th partition 1704 1705 102 char 1706 1707 102 block Compressed block device 1708 0 = /dev/cbd/a First compressed block device, whole device 1709 16 = /dev/cbd/b Second compressed block device, whole device 1710 ... 1711 240 = /dev/cbd/p 16th compressed block device, whole device 1712 1713 Partitions are handled in the same way as for IDE 1714 disks (see major number 3) except that the limit on 1715 partitions is 15. 1716 1717 103 char Arla network file system 1718 0 = /dev/nnpfs0 First NNPFS device 1719 1 = /dev/nnpfs1 Second NNPFS device 1720 1721 Arla is a free clone of the Andrew File System, AFS. 1722 The NNPFS device gives user mode filesystem 1723 implementations a kernel presence for caching and easy 1724 mounting. For more information about the project, 1725 write to <arla-drinkers@stacken.kth.se> or see 1726 http://www.stacken.kth.se/project/arla/ 1727 1728 103 block Audit device 1729 0 = /dev/audit Audit device 1730 1731 104 char Flash BIOS support 1732 1733 104 block Compaq Next Generation Drive Array, first controller 1734 0 = /dev/cciss/c0d0 First logical drive, whole disk 1735 16 = /dev/cciss/c0d1 Second logical drive, whole disk 1736 ... 1737 240 = /dev/cciss/c0d15 16th logical drive, whole disk 1738 1739 Partitions are handled the same way as for Mylex 1740 DAC960 (see major number 48) except that the limit on 1741 partitions is 15. 1742 1743 105 char Comtrol VS-1000 serial controller 1744 0 = /dev/ttyV0 First VS-1000 port 1745 1 = /dev/ttyV1 Second VS-1000 port 1746 ... 1747 1748 105 block Compaq Next Generation Drive Array, second controller 1749 0 = /dev/cciss/c1d0 First logical drive, whole disk 1750 16 = /dev/cciss/c1d1 Second logical drive, whole disk 1751 ... 1752 240 = /dev/cciss/c1d15 16th logical drive, whole disk 1753 1754 Partitions are handled the same way as for Mylex 1755 DAC960 (see major number 48) except that the limit on 1756 partitions is 15. 1757 1758 106 char Comtrol VS-1000 serial controller - alternate devices 1759 0 = /dev/cuv0 First VS-1000 port 1760 1 = /dev/cuv1 Second VS-1000 port 1761 ... 1762 1763 106 block Compaq Next Generation Drive Array, third controller 1764 0 = /dev/cciss/c2d0 First logical drive, whole disk 1765 16 = /dev/cciss/c2d1 Second logical drive, whole disk 1766 ... 1767 240 = /dev/cciss/c2d15 16th logical drive, whole disk 1768 1769 Partitions are handled the same way as for Mylex 1770 DAC960 (see major number 48) except that the limit on 1771 partitions is 15. 1772 1773 107 char 3Dfx Voodoo Graphics device 1774 0 = /dev/3dfx Primary 3Dfx graphics device 1775 1776 107 block Compaq Next Generation Drive Array, fourth controller 1777 0 = /dev/cciss/c3d0 First logical drive, whole disk 1778 16 = /dev/cciss/c3d1 Second logical drive, whole disk 1779 ... 1780 240 = /dev/cciss/c3d15 16th logical drive, whole disk 1781 1782 Partitions are handled the same way as for Mylex 1783 DAC960 (see major number 48) except that the limit on 1784 partitions is 15. 1785 1786 108 char Device independent PPP interface 1787 0 = /dev/ppp Device independent PPP interface 1788 1789 108 block Compaq Next Generation Drive Array, fifth controller 1790 0 = /dev/cciss/c4d0 First logical drive, whole disk 1791 16 = /dev/cciss/c4d1 Second logical drive, whole disk 1792 ... 1793 240 = /dev/cciss/c4d15 16th logical drive, whole disk 1794 1795 Partitions are handled the same way as for Mylex 1796 DAC960 (see major number 48) except that the limit on 1797 partitions is 15. 1798 1799 109 char Reserved for logical volume manager 1800 1801 109 block Compaq Next Generation Drive Array, sixth controller 1802 0 = /dev/cciss/c5d0 First logical drive, whole disk 1803 16 = /dev/cciss/c5d1 Second logical drive, whole disk 1804 ... 1805 240 = /dev/cciss/c5d15 16th logical drive, whole disk 1806 1807 Partitions are handled the same way as for Mylex 1808 DAC960 (see major number 48) except that the limit on 1809 partitions is 15. 1810 1811 110 char miroMEDIA Surround board 1812 0 = /dev/srnd0 First miroMEDIA Surround board 1813 1 = /dev/srnd1 Second miroMEDIA Surround board 1814 ... 1815 1816 110 block Compaq Next Generation Drive Array, seventh controller 1817 0 = /dev/cciss/c6d0 First logical drive, whole disk 1818 16 = /dev/cciss/c6d1 Second logical drive, whole disk 1819 ... 1820 240 = /dev/cciss/c6d15 16th logical drive, whole disk 1821 1822 Partitions are handled the same way as for Mylex 1823 DAC960 (see major number 48) except that the limit on 1824 partitions is 15. 1825 1826 111 char 1827 1828 111 block Compaq Next Generation Drive Array, eighth controller 1829 0 = /dev/cciss/c7d0 First logical drive, whole disk 1830 16 = /dev/cciss/c7d1 Second logical drive, whole disk 1831 ... 1832 240 = /dev/cciss/c7d15 16th logical drive, whole disk 1833 1834 Partitions are handled the same way as for Mylex 1835 DAC960 (see major number 48) except that the limit on 1836 partitions is 15. 1837 1838 112 char ISI serial card 1839 0 = /dev/ttyM0 First ISI port 1840 1 = /dev/ttyM1 Second ISI port 1841 ... 1842 1843 There is currently a device-naming conflict between 1844 these and PAM multimodems (major 78). 1845 1846 112 block IBM iSeries virtual disk 1847 0 = /dev/iseries/vda First virtual disk, whole disk 1848 8 = /dev/iseries/vdb Second virtual disk, whole disk 1849 ... 1850 200 = /dev/iseries/vdz 26th virtual disk, whole disk 1851 208 = /dev/iseries/vdaa 27th virtual disk, whole disk 1852 ... 1853 248 = /dev/iseries/vdaf 32nd virtual disk, whole disk 1854 1855 Partitions are handled in the same way as for IDE 1856 disks (see major number 3) except that the limit on 1857 partitions is 7. 1858 1859 113 char ISI serial card - alternate devices 1860 0 = /dev/cum0 Callout device for ttyM0 1861 1 = /dev/cum1 Callout device for ttyM1 1862 ... 1863 1864 113 block IBM iSeries virtual CD-ROM 1865 0 = /dev/iseries/vcda First virtual CD-ROM 1866 1 = /dev/iseries/vcdb Second virtual CD-ROM 1867 ... 1868 1869 114 char Picture Elements ISE board 1870 0 = /dev/ise0 First ISE board 1871 1 = /dev/ise1 Second ISE board 1872 ... 1873 128 = /dev/isex0 Control node for first ISE board 1874 129 = /dev/isex1 Control node for second ISE board 1875 ... 1876 1877 The ISE board is an embedded computer, optimized for 1878 image processing. The /dev/iseN nodes are the general 1879 I/O access to the board, the /dev/isex0 nodes command 1880 nodes used to control the board. 1881 1882 114 block IDE BIOS powered software RAID interfaces such as the 1883 Promise Fastrak 1884 1885 0 = /dev/ataraid/d0 1886 1 = /dev/ataraid/d0p1 1887 2 = /dev/ataraid/d0p2 1888 ... 1889 16 = /dev/ataraid/d1 1890 17 = /dev/ataraid/d1p1 1891 18 = /dev/ataraid/d1p2 1892 ... 1893 255 = /dev/ataraid/d15p15 1894 1895 Partitions are handled in the same way as for IDE 1896 disks (see major number 3) except that the limit on 1897 partitions is 15. 1898 1899 115 char TI link cable devices (115 was formerly the console driver speaker) 1900 0 = /dev/tipar0 Parallel cable on first parallel port 1901 ... 1902 7 = /dev/tipar7 Parallel cable on seventh parallel port 1903 1904 8 = /dev/tiser0 Serial cable on first serial port 1905 ... 1906 15 = /dev/tiser7 Serial cable on seventh serial port 1907 1908 16 = /dev/tiusb0 First USB cable 1909 ... 1910 47 = /dev/tiusb31 32nd USB cable 1911 1912 115 block NetWare (NWFS) Devices (0-255) 1913 1914 The NWFS (NetWare) devices are used to present a 1915 collection of NetWare Mirror Groups or NetWare 1916 Partitions as a logical storage segment for 1917 use in mounting NetWare volumes. A maximum of 1918 256 NetWare volumes can be supported in a single 1919 machine. 1920 1921 http://cgfa.telepac.pt/ftp2/kernel.org/linux/kernel/people/jmerkey/nwfs/ 1922 1923 0 = /dev/nwfs/v0 First NetWare (NWFS) Logical Volume 1924 1 = /dev/nwfs/v1 Second NetWare (NWFS) Logical Volume 1925 2 = /dev/nwfs/v2 Third NetWare (NWFS) Logical Volume 1926 ... 1927 255 = /dev/nwfs/v255 Last NetWare (NWFS) Logical Volume 1928 1929 116 char Advanced Linux Sound Driver (ALSA) 1930 1931 116 block MicroMemory battery backed RAM adapter (NVRAM) 1932 Supports 16 boards, 15 partitions each. 1933 Requested by neilb at cse.unsw.edu.au. 1934 1935 0 = /dev/umem/d0 Whole of first board 1936 1 = /dev/umem/d0p1 First partition of first board 1937 2 = /dev/umem/d0p2 Second partition of first board 1938 15 = /dev/umem/d0p15 15th partition of first board 1939 1940 16 = /dev/umem/d1 Whole of second board 1941 17 = /dev/umem/d1p1 First partition of second board 1942 ... 1943 255= /dev/umem/d15p15 15th partition of 16th board. 1944 1945 117 char COSA/SRP synchronous serial card 1946 0 = /dev/cosa0c0 1st board, 1st channel 1947 1 = /dev/cosa0c1 1st board, 2nd channel 1948 ... 1949 16 = /dev/cosa1c0 2nd board, 1st channel 1950 17 = /dev/cosa1c1 2nd board, 2nd channel 1951 ... 1952 1953 117 block Enterprise Volume Management System (EVMS) 1954 1955 The EVMS driver uses a layered, plug-in model to provide 1956 unparalleled flexibility and extensibility in managing 1957 storage. This allows for easy expansion or customization 1958 of various levels of volume management. Requested by 1959 Mark Peloquin (peloquin at us.ibm.com). 1960 1961 Note: EVMS populates and manages all the devnodes in 1962 /dev/evms. 1963 1964 http://sf.net/projects/evms 1965 1966 0 = /dev/evms/block_device EVMS block device 1967 1 = /dev/evms/legacyname1 First EVMS legacy device 1968 2 = /dev/evms/legacyname2 Second EVMS legacy device 1969 ... 1970 Both ranges can grow (down or up) until they meet. 1971 ... 1972 254 = /dev/evms/EVMSname2 Second EVMS native device 1973 255 = /dev/evms/EVMSname1 First EVMS native device 1974 1975 Note: legacyname(s) are derived from the normal legacy 1976 device names. For example, /dev/hda5 would become 1977 /dev/evms/hda5. 1978 1979 118 char IBM Cryptographic Accelerator 1980 0 = /dev/ica Virtual interface to all IBM Crypto Accelerators 1981 1 = /dev/ica0 IBMCA Device 0 1982 2 = /dev/ica1 IBMCA Device 1 1983 ... 1984 1985 119 char VMware virtual network control 1986 0 = /dev/vnet0 1st virtual network 1987 1 = /dev/vnet1 2nd virtual network 1988 ... 1989 1990 120-127 char LOCAL/EXPERIMENTAL USE 1991 1992 120-127 block LOCAL/EXPERIMENTAL USE 1993 Allocated for local/experimental use. For devices not 1994 assigned official numbers, these ranges should be 1995 used in order to avoid conflicting with future assignments. 1996 1997 128-135 char Unix98 PTY masters 1998 1999 These devices should not have corresponding device 2000 nodes; instead they should be accessed through the 2001 /dev/ptmx cloning interface. 2002 2003 128 block SCSI disk devices (128-143) 2004 0 = /dev/sddy 129th SCSI disk whole disk 2005 16 = /dev/sddz 130th SCSI disk whole disk 2006 32 = /dev/sdea 131th SCSI disk whole disk 2007 ... 2008 240 = /dev/sden 144th SCSI disk whole disk 2009 2010 Partitions are handled in the same way as for IDE 2011 disks (see major number 3) except that the limit on 2012 partitions is 15. 2013 2014 129 block SCSI disk devices (144-159) 2015 0 = /dev/sdeo 145th SCSI disk whole disk 2016 16 = /dev/sdep 146th SCSI disk whole disk 2017 32 = /dev/sdeq 147th SCSI disk whole disk 2018 ... 2019 240 = /dev/sdfd 160th SCSI disk whole disk 2020 2021 Partitions are handled in the same way as for IDE 2022 disks (see major number 3) except that the limit on 2023 partitions is 15. 2024 2025 130 char (Misc devices) 2026 2027 130 block SCSI disk devices (160-175) 2028 0 = /dev/sdfe 161st SCSI disk whole disk 2029 16 = /dev/sdff 162nd SCSI disk whole disk 2030 32 = /dev/sdfg 163rd SCSI disk whole disk 2031 ... 2032 240 = /dev/sdft 176th SCSI disk whole disk 2033 2034 Partitions are handled in the same way as for IDE 2035 disks (see major number 3) except that the limit on 2036 partitions is 15. 2037 2038 131 block SCSI disk devices (176-191) 2039 0 = /dev/sdfu 177th SCSI disk whole disk 2040 16 = /dev/sdfv 178th SCSI disk whole disk 2041 32 = /dev/sdfw 179th SCSI disk whole disk 2042 ... 2043 240 = /dev/sdgj 192nd SCSI disk whole disk 2044 2045 Partitions are handled in the same way as for IDE 2046 disks (see major number 3) except that the limit on 2047 partitions is 15. 2048 2049 132 block SCSI disk devices (192-207) 2050 0 = /dev/sdgk 193rd SCSI disk whole disk 2051 16 = /dev/sdgl 194th SCSI disk whole disk 2052 32 = /dev/sdgm 195th SCSI disk whole disk 2053 ... 2054 240 = /dev/sdgz 208th SCSI disk whole disk 2055 2056 Partitions are handled in the same way as for IDE 2057 disks (see major number 3) except that the limit on 2058 partitions is 15. 2059 2060 133 block SCSI disk devices (208-223) 2061 0 = /dev/sdha 209th SCSI disk whole disk 2062 16 = /dev/sdhb 210th SCSI disk whole disk 2063 32 = /dev/sdhc 211th SCSI disk whole disk 2064 ... 2065 240 = /dev/sdhp 224th SCSI disk whole disk 2066 2067 Partitions are handled in the same way as for IDE 2068 disks (see major number 3) except that the limit on 2069 partitions is 15. 2070 2071 134 block SCSI disk devices (224-239) 2072 0 = /dev/sdhq 225th SCSI disk whole disk 2073 16 = /dev/sdhr 226th SCSI disk whole disk 2074 32 = /dev/sdhs 227th SCSI disk whole disk 2075 ... 2076 240 = /dev/sdif 240th SCSI disk whole disk 2077 2078 Partitions are handled in the same way as for IDE 2079 disks (see major number 3) except that the limit on 2080 partitions is 15. 2081 2082 135 block SCSI disk devices (240-255) 2083 0 = /dev/sdig 241st SCSI disk whole disk 2084 16 = /dev/sdih 242nd SCSI disk whole disk 2085 32 = /dev/sdih 243rd SCSI disk whole disk 2086 ... 2087 240 = /dev/sdiv 256th SCSI disk whole disk 2088 2089 Partitions are handled in the same way as for IDE 2090 disks (see major number 3) except that the limit on 2091 partitions is 15. 2092 2093 136-143 char Unix98 PTY slaves 2094 0 = /dev/pts/0 First Unix98 pseudo-TTY 2095 1 = /dev/pts/1 Second Unix98 pseudo-TTY 2096 ... 2097 2098 These device nodes are automatically generated with 2099 the proper permissions and modes by mounting the 2100 devpts filesystem onto /dev/pts with the appropriate 2101 mount options (distribution dependent, however, on 2102 *most* distributions the appropriate options are 2103 "mode=0620,gid=<gid of the "tty" group>".) 2104 2105 136 block Mylex DAC960 PCI RAID controller; ninth controller 2106 0 = /dev/rd/c8d0 First disk, whole disk 2107 8 = /dev/rd/c8d1 Second disk, whole disk 2108 ... 2109 248 = /dev/rd/c8d31 32nd disk, whole disk 2110 2111 Partitions are handled as for major 48. 2112 2113 137 block Mylex DAC960 PCI RAID controller; tenth controller 2114 0 = /dev/rd/c9d0 First disk, whole disk 2115 8 = /dev/rd/c9d1 Second disk, whole disk 2116 ... 2117 248 = /dev/rd/c9d31 32nd disk, whole disk 2118 2119 Partitions are handled as for major 48. 2120 2121 138 block Mylex DAC960 PCI RAID controller; eleventh controller 2122 0 = /dev/rd/c10d0 First disk, whole disk 2123 8 = /dev/rd/c10d1 Second disk, whole disk 2124 ... 2125 248 = /dev/rd/c10d31 32nd disk, whole disk 2126 2127 Partitions are handled as for major 48. 2128 2129 139 block Mylex DAC960 PCI RAID controller; twelfth controller 2130 0 = /dev/rd/c11d0 First disk, whole disk 2131 8 = /dev/rd/c11d1 Second disk, whole disk 2132 ... 2133 248 = /dev/rd/c11d31 32nd disk, whole disk 2134 2135 Partitions are handled as for major 48. 2136 2137 140 block Mylex DAC960 PCI RAID controller; thirteenth controller 2138 0 = /dev/rd/c12d0 First disk, whole disk 2139 8 = /dev/rd/c12d1 Second disk, whole disk 2140 ... 2141 248 = /dev/rd/c12d31 32nd disk, whole disk 2142 2143 Partitions are handled as for major 48. 2144 2145 141 block Mylex DAC960 PCI RAID controller; fourteenth controller 2146 0 = /dev/rd/c13d0 First disk, whole disk 2147 8 = /dev/rd/c13d1 Second disk, whole disk 2148 ... 2149 248 = /dev/rd/c13d31 32nd disk, whole disk 2150 2151 Partitions are handled as for major 48. 2152 2153 142 block Mylex DAC960 PCI RAID controller; fifteenth controller 2154 0 = /dev/rd/c14d0 First disk, whole disk 2155 8 = /dev/rd/c14d1 Second disk, whole disk 2156 ... 2157 248 = /dev/rd/c14d31 32nd disk, whole disk 2158 2159 Partitions are handled as for major 48. 2160 2161 143 block Mylex DAC960 PCI RAID controller; sixteenth controller 2162 0 = /dev/rd/c15d0 First disk, whole disk 2163 8 = /dev/rd/c15d1 Second disk, whole disk 2164 ... 2165 248 = /dev/rd/c15d31 32nd disk, whole disk 2166 2167 Partitions are handled as for major 48. 2168 2169 144 char Encapsulated PPP 2170 0 = /dev/pppox0 First PPP over Ethernet 2171 ... 2172 63 = /dev/pppox63 64th PPP over Ethernet 2173 2174 This is primarily used for ADSL. 2175 2176 The SST 5136-DN DeviceNet interface driver has been 2177 relocated to major 183 due to an unfortunate conflict. 2178 2179 144 block Expansion Area #1 for more non-device (e.g. NFS) mounts 2180 0 = mounted device 256 2181 255 = mounted device 511 2182 2183 145 char SAM9407-based soundcard 2184 0 = /dev/sam0_mixer 2185 1 = /dev/sam0_sequencer 2186 2 = /dev/sam0_midi00 2187 3 = /dev/sam0_dsp 2188 4 = /dev/sam0_audio 2189 6 = /dev/sam0_sndstat 2190 18 = /dev/sam0_midi01 2191 34 = /dev/sam0_midi02 2192 50 = /dev/sam0_midi03 2193 64 = /dev/sam1_mixer 2194 ... 2195 128 = /dev/sam2_mixer 2196 ... 2197 192 = /dev/sam3_mixer 2198 ... 2199 2200 Device functions match OSS, but offer a number of 2201 addons, which are sam9407 specific. OSS can be 2202 operated simultaneously, taking care of the codec. 2203 2204 145 block Expansion Area #2 for more non-device (e.g. NFS) mounts 2205 0 = mounted device 512 2206 255 = mounted device 767 2207 2208 146 char SYSTRAM SCRAMNet mirrored-memory network 2209 0 = /dev/scramnet0 First SCRAMNet device 2210 1 = /dev/scramnet1 Second SCRAMNet device 2211 ... 2212 2213 146 block Expansion Area #3 for more non-device (e.g. NFS) mounts 2214 0 = mounted device 768 2215 255 = mounted device 1023 2216 2217 147 char Aureal Semiconductor Vortex Audio device 2218 0 = /dev/aureal0 First Aureal Vortex 2219 1 = /dev/aureal1 Second Aureal Vortex 2220 ... 2221 2222 147 block Distributed Replicated Block Device (DRBD) 2223 0 = /dev/drbd0 First DRBD device 2224 1 = /dev/drbd1 Second DRBD device 2225 ... 2226 2227 148 char Technology Concepts serial card 2228 0 = /dev/ttyT0 First TCL port 2229 1 = /dev/ttyT1 Second TCL port 2230 ... 2231 2232 149 char Technology Concepts serial card - alternate devices 2233 0 = /dev/cut0 Callout device for ttyT0 2234 1 = /dev/cut0 Callout device for ttyT1 2235 ... 2236 2237 150 char Real-Time Linux FIFOs 2238 0 = /dev/rtf0 First RTLinux FIFO 2239 1 = /dev/rtf1 Second RTLinux FIFO 2240 ... 2241 2242 151 char DPT I2O SmartRaid V controller 2243 0 = /dev/dpti0 First DPT I2O adapter 2244 1 = /dev/dpti1 Second DPT I2O adapter 2245 ... 2246 2247 152 char EtherDrive Control Device 2248 0 = /dev/etherd/ctl Connect/Disconnect an EtherDrive 2249 1 = /dev/etherd/err Monitor errors 2250 2 = /dev/etherd/raw Raw AoE packet monitor 2251 2252 152 block EtherDrive Block Devices 2253 0 = /dev/etherd/0 EtherDrive 0 2254 ... 2255 255 = /dev/etherd/255 EtherDrive 255 2256 2257 153 char SPI Bus Interface (sometimes referred to as MicroWire) 2258 0 = /dev/spi0 First SPI device on the bus 2259 1 = /dev/spi1 Second SPI device on the bus 2260 ... 2261 15 = /dev/spi15 Sixteenth SPI device on the bus 2262 2263 153 block Enhanced Metadisk RAID (EMD) storage units 2264 0 = /dev/emd/0 First unit 2265 1 = /dev/emd/0p1 Partition 1 on First unit 2266 2 = /dev/emd/0p2 Partition 2 on First unit 2267 ... 2268 15 = /dev/emd/0p15 Partition 15 on First unit 2269 2270 16 = /dev/emd/1 Second unit 2271 32 = /dev/emd/2 Third unit 2272 ... 2273 240 = /dev/emd/15 Sixteenth unit 2274 2275 Partitions are handled in the same way as for IDE 2276 disks (see major number 3) except that the limit on 2277 partitions is 15. 2278 2279 154 char Specialix RIO serial card 2280 0 = /dev/ttySR0 First RIO port 2281 ... 2282 255 = /dev/ttySR255 256th RIO port 2283 2284 155 char Specialix RIO serial card - alternate devices 2285 0 = /dev/cusr0 Callout device for ttySR0 2286 ... 2287 255 = /dev/cusr255 Callout device for ttySR255 2288 2289 156 char Specialix RIO serial card 2290 0 = /dev/ttySR256 257th RIO port 2291 ... 2292 255 = /dev/ttySR511 512th RIO port 2293 2294 157 char Specialix RIO serial card - alternate devices 2295 0 = /dev/cusr256 Callout device for ttySR256 2296 ... 2297 255 = /dev/cusr511 Callout device for ttySR511 2298 2299 158 char Dialogic GammaLink fax driver 2300 0 = /dev/gfax0 GammaLink channel 0 2301 1 = /dev/gfax1 GammaLink channel 1 2302 ... 2303 2304 159 char RESERVED 2305 2306 159 block RESERVED 2307 2308 160 char General Purpose Instrument Bus (GPIB) 2309 0 = /dev/gpib0 First GPIB bus 2310 1 = /dev/gpib1 Second GPIB bus 2311 ... 2312 2313 160 block Carmel 8-port SATA Disks on First Controller 2314 0 = /dev/carmel/0 SATA disk 0 whole disk 2315 1 = /dev/carmel/0p1 SATA disk 0 partition 1 2316 ... 2317 31 = /dev/carmel/0p31 SATA disk 0 partition 31 2318 2319 32 = /dev/carmel/1 SATA disk 1 whole disk 2320 64 = /dev/carmel/2 SATA disk 2 whole disk 2321 ... 2322 224 = /dev/carmel/7 SATA disk 7 whole disk 2323 2324 Partitions are handled in the same way as for IDE 2325 disks (see major number 3) except that the limit on 2326 partitions is 31. 2327 2328 161 char IrCOMM devices (IrDA serial/parallel emulation) 2329 0 = /dev/ircomm0 First IrCOMM device 2330 1 = /dev/ircomm1 Second IrCOMM device 2331 ... 2332 16 = /dev/irlpt0 First IrLPT device 2333 17 = /dev/irlpt1 Second IrLPT device 2334 ... 2335 2336 161 block Carmel 8-port SATA Disks on Second Controller 2337 0 = /dev/carmel/8 SATA disk 8 whole disk 2338 1 = /dev/carmel/8p1 SATA disk 8 partition 1 2339 ... 2340 31 = /dev/carmel/8p31 SATA disk 8 partition 31 2341 2342 32 = /dev/carmel/9 SATA disk 9 whole disk 2343 64 = /dev/carmel/10 SATA disk 10 whole disk 2344 ... 2345 224 = /dev/carmel/15 SATA disk 15 whole disk 2346 2347 Partitions are handled in the same way as for IDE 2348 disks (see major number 3) except that the limit on 2349 partitions is 31. 2350 2351 162 char Raw block device interface 2352 0 = /dev/rawctl Raw I/O control device 2353 1 = /dev/raw/raw1 First raw I/O device 2354 2 = /dev/raw/raw2 Second raw I/O device 2355 ... 2356 max minor number of raw device is set by kernel config 2357 MAX_RAW_DEVS or raw module parameter 'max_raw_devs' 2358 2359 163 char 2360 2361 164 char Chase Research AT/PCI-Fast serial card 2362 0 = /dev/ttyCH0 AT/PCI-Fast board 0, port 0 2363 ... 2364 15 = /dev/ttyCH15 AT/PCI-Fast board 0, port 15 2365 16 = /dev/ttyCH16 AT/PCI-Fast board 1, port 0 2366 ... 2367 31 = /dev/ttyCH31 AT/PCI-Fast board 1, port 15 2368 32 = /dev/ttyCH32 AT/PCI-Fast board 2, port 0 2369 ... 2370 47 = /dev/ttyCH47 AT/PCI-Fast board 2, port 15 2371 48 = /dev/ttyCH48 AT/PCI-Fast board 3, port 0 2372 ... 2373 63 = /dev/ttyCH63 AT/PCI-Fast board 3, port 15 2374 2375 165 char Chase Research AT/PCI-Fast serial card - alternate devices 2376 0 = /dev/cuch0 Callout device for ttyCH0 2377 ... 2378 63 = /dev/cuch63 Callout device for ttyCH63 2379 2380 166 char ACM USB modems 2381 0 = /dev/ttyACM0 First ACM modem 2382 1 = /dev/ttyACM1 Second ACM modem 2383 ... 2384 2385 167 char ACM USB modems - alternate devices 2386 0 = /dev/cuacm0 Callout device for ttyACM0 2387 1 = /dev/cuacm1 Callout device for ttyACM1 2388 ... 2389 2390 168 char Eracom CSA7000 PCI encryption adaptor 2391 0 = /dev/ecsa0 First CSA7000 2392 1 = /dev/ecsa1 Second CSA7000 2393 ... 2394 2395 169 char Eracom CSA8000 PCI encryption adaptor 2396 0 = /dev/ecsa8-0 First CSA8000 2397 1 = /dev/ecsa8-1 Second CSA8000 2398 ... 2399 2400 170 char AMI MegaRAC remote access controller 2401 0 = /dev/megarac0 First MegaRAC card 2402 1 = /dev/megarac1 Second MegaRAC card 2403 ... 2404 2405 171 char Reserved for IEEE 1394 (Firewire) 2406 2407 172 char Moxa Intellio serial card 2408 0 = /dev/ttyMX0 First Moxa port 2409 1 = /dev/ttyMX1 Second Moxa port 2410 ... 2411 127 = /dev/ttyMX127 128th Moxa port 2412 128 = /dev/moxactl Moxa control port 2413 2414 173 char Moxa Intellio serial card - alternate devices 2415 0 = /dev/cumx0 Callout device for ttyMX0 2416 1 = /dev/cumx1 Callout device for ttyMX1 2417 ... 2418 127 = /dev/cumx127 Callout device for ttyMX127 2419 2420 174 char SmartIO serial card 2421 0 = /dev/ttySI0 First SmartIO port 2422 1 = /dev/ttySI1 Second SmartIO port 2423 ... 2424 2425 175 char SmartIO serial card - alternate devices 2426 0 = /dev/cusi0 Callout device for ttySI0 2427 1 = /dev/cusi1 Callout device for ttySI1 2428 ... 2429 2430 176 char nCipher nFast PCI crypto accelerator 2431 0 = /dev/nfastpci0 First nFast PCI device 2432 1 = /dev/nfastpci1 First nFast PCI device 2433 ... 2434 2435 177 char TI PCILynx memory spaces 2436 0 = /dev/pcilynx/aux0 AUX space of first PCILynx card 2437 ... 2438 15 = /dev/pcilynx/aux15 AUX space of 16th PCILynx card 2439 16 = /dev/pcilynx/rom0 ROM space of first PCILynx card 2440 ... 2441 31 = /dev/pcilynx/rom15 ROM space of 16th PCILynx card 2442 32 = /dev/pcilynx/ram0 RAM space of first PCILynx card 2443 ... 2444 47 = /dev/pcilynx/ram15 RAM space of 16th PCILynx card 2445 2446 178 char Giganet cLAN1xxx virtual interface adapter 2447 0 = /dev/clanvi0 First cLAN adapter 2448 1 = /dev/clanvi1 Second cLAN adapter 2449 ... 2450 2451 179 block MMC block devices 2452 0 = /dev/mmcblk0 First SD/MMC card 2453 1 = /dev/mmcblk0p1 First partition on first MMC card 2454 8 = /dev/mmcblk1 Second SD/MMC card 2455 ... 2456 2457 The start of next SD/MMC card can be configured with 2458 CONFIG_MMC_BLOCK_MINORS, or overridden at boot/modprobe 2459 time using the mmcblk.perdev_minors option. That would 2460 bump the offset between each card to be the configured 2461 value instead of the default 8. 2462 2463 179 char CCube DVXChip-based PCI products 2464 0 = /dev/dvxirq0 First DVX device 2465 1 = /dev/dvxirq1 Second DVX device 2466 ... 2467 2468 180 char USB devices 2469 0 = /dev/usb/lp0 First USB printer 2470 ... 2471 15 = /dev/usb/lp15 16th USB printer 2472 48 = /dev/usb/scanner0 First USB scanner 2473 ... 2474 63 = /dev/usb/scanner15 16th USB scanner 2475 64 = /dev/usb/rio500 Diamond Rio 500 2476 65 = /dev/usb/usblcd USBLCD Interface (info@usblcd.de) 2477 66 = /dev/usb/cpad0 Synaptics cPad (mouse/LCD) 2478 96 = /dev/usb/hiddev0 1st USB HID device 2479 ... 2480 111 = /dev/usb/hiddev15 16th USB HID device 2481 112 = /dev/usb/auer0 1st auerswald ISDN device 2482 ... 2483 127 = /dev/usb/auer15 16th auerswald ISDN device 2484 128 = /dev/usb/brlvgr0 First Braille Voyager device 2485 ... 2486 131 = /dev/usb/brlvgr3 Fourth Braille Voyager device 2487 132 = /dev/usb/idmouse ID Mouse (fingerprint scanner) device 2488 133 = /dev/usb/sisusbvga1 First SiSUSB VGA device 2489 ... 2490 140 = /dev/usb/sisusbvga8 Eighth SISUSB VGA device 2491 144 = /dev/usb/lcd USB LCD device 2492 160 = /dev/usb/legousbtower0 1st USB Legotower device 2493 ... 2494 175 = /dev/usb/legousbtower15 16th USB Legotower device 2495 176 = /dev/usb/usbtmc1 First USB TMC device 2496 ... 2497 191 = /dev/usb/usbtmc16 16th USB TMC device 2498 192 = /dev/usb/yurex1 First USB Yurex device 2499 ... 2500 209 = /dev/usb/yurex16 16th USB Yurex device 2501 2502 180 block USB block devices 2503 0 = /dev/uba First USB block device 2504 8 = /dev/ubb Second USB block device 2505 16 = /dev/ubc Third USB block device 2506 ... 2507 2508 181 char Conrad Electronic parallel port radio clocks 2509 0 = /dev/pcfclock0 First Conrad radio clock 2510 1 = /dev/pcfclock1 Second Conrad radio clock 2511 ... 2512 2513 182 char Picture Elements THR2 binarizer 2514 0 = /dev/pethr0 First THR2 board 2515 1 = /dev/pethr1 Second THR2 board 2516 ... 2517 2518 183 char SST 5136-DN DeviceNet interface 2519 0 = /dev/ss5136dn0 First DeviceNet interface 2520 1 = /dev/ss5136dn1 Second DeviceNet interface 2521 ... 2522 2523 This device used to be assigned to major number 144. 2524 It had to be moved due to an unfortunate conflict. 2525 2526 184 char Picture Elements' video simulator/sender 2527 0 = /dev/pevss0 First sender board 2528 1 = /dev/pevss1 Second sender board 2529 ... 2530 2531 185 char InterMezzo high availability file system 2532 0 = /dev/intermezzo0 First cache manager 2533 1 = /dev/intermezzo1 Second cache manager 2534 ... 2535 2536 See http://web.archive.org/web/20080115195241/ 2537 http://inter-mezzo.org/index.html 2538 2539 186 char Object-based storage control device 2540 0 = /dev/obd0 First obd control device 2541 1 = /dev/obd1 Second obd control device 2542 ... 2543 2544 See ftp://ftp.lustre.org/pub/obd for code and information. 2545 2546 187 char DESkey hardware encryption device 2547 0 = /dev/deskey0 First DES key 2548 1 = /dev/deskey1 Second DES key 2549 ... 2550 2551 188 char USB serial converters 2552 0 = /dev/ttyUSB0 First USB serial converter 2553 1 = /dev/ttyUSB1 Second USB serial converter 2554 ... 2555 2556 189 char USB serial converters - alternate devices 2557 0 = /dev/cuusb0 Callout device for ttyUSB0 2558 1 = /dev/cuusb1 Callout device for ttyUSB1 2559 ... 2560 2561 190 char Kansas City tracker/tuner card 2562 0 = /dev/kctt0 First KCT/T card 2563 1 = /dev/kctt1 Second KCT/T card 2564 ... 2565 2566 191 char Reserved for PCMCIA 2567 2568 192 char Kernel profiling interface 2569 0 = /dev/profile Profiling control device 2570 1 = /dev/profile0 Profiling device for CPU 0 2571 2 = /dev/profile1 Profiling device for CPU 1 2572 ... 2573 2574 193 char Kernel event-tracing interface 2575 0 = /dev/trace Tracing control device 2576 1 = /dev/trace0 Tracing device for CPU 0 2577 2 = /dev/trace1 Tracing device for CPU 1 2578 ... 2579 2580 194 char linVideoStreams (LINVS) 2581 0 = /dev/mvideo/status0 Video compression status 2582 1 = /dev/mvideo/stream0 Video stream 2583 2 = /dev/mvideo/frame0 Single compressed frame 2584 3 = /dev/mvideo/rawframe0 Raw uncompressed frame 2585 4 = /dev/mvideo/codec0 Direct codec access 2586 5 = /dev/mvideo/video4linux0 Video4Linux compatibility 2587 2588 16 = /dev/mvideo/status1 Second device 2589 ... 2590 32 = /dev/mvideo/status2 Third device 2591 ... 2592 ... 2593 240 = /dev/mvideo/status15 16th device 2594 ... 2595 2596 195 char Nvidia graphics devices 2597 0 = /dev/nvidia0 First Nvidia card 2598 1 = /dev/nvidia1 Second Nvidia card 2599 ... 2600 255 = /dev/nvidiactl Nvidia card control device 2601 2602 196 char Tormenta T1 card 2603 0 = /dev/tor/0 Master control channel for all cards 2604 1 = /dev/tor/1 First DS0 2605 2 = /dev/tor/2 Second DS0 2606 ... 2607 48 = /dev/tor/48 48th DS0 2608 49 = /dev/tor/49 First pseudo-channel 2609 50 = /dev/tor/50 Second pseudo-channel 2610 ... 2611 2612 197 char OpenTNF tracing facility 2613 0 = /dev/tnf/t0 Trace 0 data extraction 2614 1 = /dev/tnf/t1 Trace 1 data extraction 2615 ... 2616 128 = /dev/tnf/status Tracing facility status 2617 130 = /dev/tnf/trace Tracing device 2618 2619 198 char Total Impact TPMP2 quad coprocessor PCI card 2620 0 = /dev/tpmp2/0 First card 2621 1 = /dev/tpmp2/1 Second card 2622 ... 2623 2624 199 char Veritas volume manager (VxVM) volumes 2625 0 = /dev/vx/rdsk/*/* First volume 2626 1 = /dev/vx/rdsk/*/* Second volume 2627 ... 2628 2629 199 block Veritas volume manager (VxVM) volumes 2630 0 = /dev/vx/dsk/*/* First volume 2631 1 = /dev/vx/dsk/*/* Second volume 2632 ... 2633 2634 The namespace in these directories is maintained by 2635 the user space VxVM software. 2636 2637 200 char Veritas VxVM configuration interface 2638 0 = /dev/vx/config Configuration access node 2639 1 = /dev/vx/trace Volume i/o trace access node 2640 2 = /dev/vx/iod Volume i/o daemon access node 2641 3 = /dev/vx/info Volume information access node 2642 4 = /dev/vx/task Volume tasks access node 2643 5 = /dev/vx/taskmon Volume tasks monitor daemon 2644 2645 201 char Veritas VxVM dynamic multipathing driver 2646 0 = /dev/vx/rdmp/* First multipath device 2647 1 = /dev/vx/rdmp/* Second multipath device 2648 ... 2649 201 block Veritas VxVM dynamic multipathing driver 2650 0 = /dev/vx/dmp/* First multipath device 2651 1 = /dev/vx/dmp/* Second multipath device 2652 ... 2653 2654 The namespace in these directories is maintained by 2655 the user space VxVM software. 2656 2657 202 char CPU model-specific registers 2658 0 = /dev/cpu/0/msr MSRs on CPU 0 2659 1 = /dev/cpu/1/msr MSRs on CPU 1 2660 ... 2661 2662 202 block Xen Virtual Block Device 2663 0 = /dev/xvda First Xen VBD whole disk 2664 16 = /dev/xvdb Second Xen VBD whole disk 2665 32 = /dev/xvdc Third Xen VBD whole disk 2666 ... 2667 240 = /dev/xvdp Sixteenth Xen VBD whole disk 2668 2669 Partitions are handled in the same way as for IDE 2670 disks (see major number 3) except that the limit on 2671 partitions is 15. 2672 2673 203 char CPU CPUID information 2674 0 = /dev/cpu/0/cpuid CPUID on CPU 0 2675 1 = /dev/cpu/1/cpuid CPUID on CPU 1 2676 ... 2677 2678 204 char Low-density serial ports 2679 0 = /dev/ttyLU0 LinkUp Systems L72xx UART - port 0 2680 1 = /dev/ttyLU1 LinkUp Systems L72xx UART - port 1 2681 2 = /dev/ttyLU2 LinkUp Systems L72xx UART - port 2 2682 3 = /dev/ttyLU3 LinkUp Systems L72xx UART - port 3 2683 4 = /dev/ttyFB0 Intel Footbridge (ARM) 2684 5 = /dev/ttySA0 StrongARM builtin serial port 0 2685 6 = /dev/ttySA1 StrongARM builtin serial port 1 2686 7 = /dev/ttySA2 StrongARM builtin serial port 2 2687 8 = /dev/ttySC0 SCI serial port (SuperH) - port 0 2688 9 = /dev/ttySC1 SCI serial port (SuperH) - port 1 2689 10 = /dev/ttySC2 SCI serial port (SuperH) - port 2 2690 11 = /dev/ttySC3 SCI serial port (SuperH) - port 3 2691 12 = /dev/ttyFW0 Firmware console - port 0 2692 13 = /dev/ttyFW1 Firmware console - port 1 2693 14 = /dev/ttyFW2 Firmware console - port 2 2694 15 = /dev/ttyFW3 Firmware console - port 3 2695 16 = /dev/ttyAM0 ARM "AMBA" serial port 0 2696 ... 2697 31 = /dev/ttyAM15 ARM "AMBA" serial port 15 2698 32 = /dev/ttyDB0 DataBooster serial port 0 2699 ... 2700 39 = /dev/ttyDB7 DataBooster serial port 7 2701 40 = /dev/ttySG0 SGI Altix console port 2702 41 = /dev/ttySMX0 Motorola i.MX - port 0 2703 42 = /dev/ttySMX1 Motorola i.MX - port 1 2704 43 = /dev/ttySMX2 Motorola i.MX - port 2 2705 44 = /dev/ttyMM0 Marvell MPSC - port 0 (obsolete unused) 2706 45 = /dev/ttyMM1 Marvell MPSC - port 1 (obsolete unused) 2707 46 = /dev/ttyCPM0 PPC CPM (SCC or SMC) - port 0 2708 ... 2709 47 = /dev/ttyCPM5 PPC CPM (SCC or SMC) - port 5 2710 50 = /dev/ttyIOC0 Altix serial card 2711 ... 2712 81 = /dev/ttyIOC31 Altix serial card 2713 82 = /dev/ttyVR0 NEC VR4100 series SIU 2714 83 = /dev/ttyVR1 NEC VR4100 series DSIU 2715 84 = /dev/ttyIOC84 Altix ioc4 serial card 2716 ... 2717 115 = /dev/ttyIOC115 Altix ioc4 serial card 2718 116 = /dev/ttySIOC0 Altix ioc3 serial card 2719 ... 2720 147 = /dev/ttySIOC31 Altix ioc3 serial card 2721 148 = /dev/ttyPSC0 PPC PSC - port 0 2722 ... 2723 153 = /dev/ttyPSC5 PPC PSC - port 5 2724 154 = /dev/ttyAT0 ATMEL serial port 0 2725 ... 2726 169 = /dev/ttyAT15 ATMEL serial port 15 2727 170 = /dev/ttyNX0 Hilscher netX serial port 0 2728 ... 2729 185 = /dev/ttyNX15 Hilscher netX serial port 15 2730 186 = /dev/ttyJ0 JTAG1 DCC protocol based serial port emulation 2731 187 = /dev/ttyUL0 Xilinx uartlite - port 0 2732 ... 2733 190 = /dev/ttyUL3 Xilinx uartlite - port 3 2734 191 = /dev/xvc0 Xen virtual console - port 0 2735 192 = /dev/ttyPZ0 pmac_zilog - port 0 2736 ... 2737 195 = /dev/ttyPZ3 pmac_zilog - port 3 2738 196 = /dev/ttyTX0 TX39/49 serial port 0 2739 ... 2740 204 = /dev/ttyTX7 TX39/49 serial port 7 2741 205 = /dev/ttySC0 SC26xx serial port 0 2742 206 = /dev/ttySC1 SC26xx serial port 1 2743 207 = /dev/ttySC2 SC26xx serial port 2 2744 208 = /dev/ttySC3 SC26xx serial port 3 2745 209 = /dev/ttyMAX0 MAX3100 serial port 0 2746 210 = /dev/ttyMAX1 MAX3100 serial port 1 2747 211 = /dev/ttyMAX2 MAX3100 serial port 2 2748 212 = /dev/ttyMAX3 MAX3100 serial port 3 2749 2750 205 char Low-density serial ports (alternate device) 2751 0 = /dev/culu0 Callout device for ttyLU0 2752 1 = /dev/culu1 Callout device for ttyLU1 2753 2 = /dev/culu2 Callout device for ttyLU2 2754 3 = /dev/culu3 Callout device for ttyLU3 2755 4 = /dev/cufb0 Callout device for ttyFB0 2756 5 = /dev/cusa0 Callout device for ttySA0 2757 6 = /dev/cusa1 Callout device for ttySA1 2758 7 = /dev/cusa2 Callout device for ttySA2 2759 8 = /dev/cusc0 Callout device for ttySC0 2760 9 = /dev/cusc1 Callout device for ttySC1 2761 10 = /dev/cusc2 Callout device for ttySC2 2762 11 = /dev/cusc3 Callout device for ttySC3 2763 12 = /dev/cufw0 Callout device for ttyFW0 2764 13 = /dev/cufw1 Callout device for ttyFW1 2765 14 = /dev/cufw2 Callout device for ttyFW2 2766 15 = /dev/cufw3 Callout device for ttyFW3 2767 16 = /dev/cuam0 Callout device for ttyAM0 2768 ... 2769 31 = /dev/cuam15 Callout device for ttyAM15 2770 32 = /dev/cudb0 Callout device for ttyDB0 2771 ... 2772 39 = /dev/cudb7 Callout device for ttyDB7 2773 40 = /dev/cusg0 Callout device for ttySG0 2774 41 = /dev/ttycusmx0 Callout device for ttySMX0 2775 42 = /dev/ttycusmx1 Callout device for ttySMX1 2776 43 = /dev/ttycusmx2 Callout device for ttySMX2 2777 46 = /dev/cucpm0 Callout device for ttyCPM0 2778 ... 2779 49 = /dev/cucpm5 Callout device for ttyCPM5 2780 50 = /dev/cuioc40 Callout device for ttyIOC40 2781 ... 2782 81 = /dev/cuioc431 Callout device for ttyIOC431 2783 82 = /dev/cuvr0 Callout device for ttyVR0 2784 83 = /dev/cuvr1 Callout device for ttyVR1 2785 2786 206 char OnStream SC-x0 tape devices 2787 0 = /dev/osst0 First OnStream SCSI tape, mode 0 2788 1 = /dev/osst1 Second OnStream SCSI tape, mode 0 2789 ... 2790 32 = /dev/osst0l First OnStream SCSI tape, mode 1 2791 33 = /dev/osst1l Second OnStream SCSI tape, mode 1 2792 ... 2793 64 = /dev/osst0m First OnStream SCSI tape, mode 2 2794 65 = /dev/osst1m Second OnStream SCSI tape, mode 2 2795 ... 2796 96 = /dev/osst0a First OnStream SCSI tape, mode 3 2797 97 = /dev/osst1a Second OnStream SCSI tape, mode 3 2798 ... 2799 128 = /dev/nosst0 No rewind version of /dev/osst0 2800 129 = /dev/nosst1 No rewind version of /dev/osst1 2801 ... 2802 160 = /dev/nosst0l No rewind version of /dev/osst0l 2803 161 = /dev/nosst1l No rewind version of /dev/osst1l 2804 ... 2805 192 = /dev/nosst0m No rewind version of /dev/osst0m 2806 193 = /dev/nosst1m No rewind version of /dev/osst1m 2807 ... 2808 224 = /dev/nosst0a No rewind version of /dev/osst0a 2809 225 = /dev/nosst1a No rewind version of /dev/osst1a 2810 ... 2811 2812 The OnStream SC-x0 SCSI tapes do not support the 2813 standard SCSI SASD command set and therefore need 2814 their own driver "osst". Note that the IDE, USB (and 2815 maybe ParPort) versions may be driven via ide-scsi or 2816 usb-storage SCSI emulation and this osst device and 2817 driver as well. The ADR-x0 drives are QIC-157 2818 compliant and don't need osst. 2819 2820 207 char Compaq ProLiant health feature indicate 2821 0 = /dev/cpqhealth/cpqw Redirector interface 2822 1 = /dev/cpqhealth/crom EISA CROM 2823 2 = /dev/cpqhealth/cdt Data Table 2824 3 = /dev/cpqhealth/cevt Event Log 2825 4 = /dev/cpqhealth/casr Automatic Server Recovery 2826 5 = /dev/cpqhealth/cecc ECC Memory 2827 6 = /dev/cpqhealth/cmca Machine Check Architecture 2828 7 = /dev/cpqhealth/ccsm Deprecated CDT 2829 8 = /dev/cpqhealth/cnmi NMI Handling 2830 9 = /dev/cpqhealth/css Sideshow Management 2831 10 = /dev/cpqhealth/cram CMOS interface 2832 11 = /dev/cpqhealth/cpci PCI IRQ interface 2833 2834 208 char User space serial ports 2835 0 = /dev/ttyU0 First user space serial port 2836 1 = /dev/ttyU1 Second user space serial port 2837 ... 2838 2839 209 char User space serial ports (alternate devices) 2840 0 = /dev/cuu0 Callout device for ttyU0 2841 1 = /dev/cuu1 Callout device for ttyU1 2842 ... 2843 2844 210 char SBE, Inc. sync/async serial card 2845 0 = /dev/sbei/wxcfg0 Configuration device for board 0 2846 1 = /dev/sbei/dld0 Download device for board 0 2847 2 = /dev/sbei/wan00 WAN device, port 0, board 0 2848 3 = /dev/sbei/wan01 WAN device, port 1, board 0 2849 4 = /dev/sbei/wan02 WAN device, port 2, board 0 2850 5 = /dev/sbei/wan03 WAN device, port 3, board 0 2851 6 = /dev/sbei/wanc00 WAN clone device, port 0, board 0 2852 7 = /dev/sbei/wanc01 WAN clone device, port 1, board 0 2853 8 = /dev/sbei/wanc02 WAN clone device, port 2, board 0 2854 9 = /dev/sbei/wanc03 WAN clone device, port 3, board 0 2855 10 = /dev/sbei/wxcfg1 Configuration device for board 1 2856 11 = /dev/sbei/dld1 Download device for board 1 2857 12 = /dev/sbei/wan10 WAN device, port 0, board 1 2858 13 = /dev/sbei/wan11 WAN device, port 1, board 1 2859 14 = /dev/sbei/wan12 WAN device, port 2, board 1 2860 15 = /dev/sbei/wan13 WAN device, port 3, board 1 2861 16 = /dev/sbei/wanc10 WAN clone device, port 0, board 1 2862 17 = /dev/sbei/wanc11 WAN clone device, port 1, board 1 2863 18 = /dev/sbei/wanc12 WAN clone device, port 2, board 1 2864 19 = /dev/sbei/wanc13 WAN clone device, port 3, board 1 2865 ... 2866 2867 Yes, each board is really spaced 10 (decimal) apart. 2868 2869 211 char Addinum CPCI1500 digital I/O card 2870 0 = /dev/addinum/cpci1500/0 First CPCI1500 card 2871 1 = /dev/addinum/cpci1500/1 Second CPCI1500 card 2872 ... 2873 2874 212 char LinuxTV.org DVB driver subsystem 2875 0 = /dev/dvb/adapter0/video0 first video decoder of first card 2876 1 = /dev/dvb/adapter0/audio0 first audio decoder of first card 2877 2 = /dev/dvb/adapter0/sec0 (obsolete/unused) 2878 3 = /dev/dvb/adapter0/frontend0 first frontend device of first card 2879 4 = /dev/dvb/adapter0/demux0 first demux device of first card 2880 5 = /dev/dvb/adapter0/dvr0 first digital video recoder device of first card 2881 6 = /dev/dvb/adapter0/ca0 first common access port of first card 2882 7 = /dev/dvb/adapter0/net0 first network device of first card 2883 8 = /dev/dvb/adapter0/osd0 first on-screen-display device of first card 2884 9 = /dev/dvb/adapter0/video1 second video decoder of first card 2885 ... 2886 64 = /dev/dvb/adapter1/video0 first video decoder of second card 2887 ... 2888 128 = /dev/dvb/adapter2/video0 first video decoder of third card 2889 ... 2890 196 = /dev/dvb/adapter3/video0 first video decoder of fourth card 2891 2892 216 char Bluetooth RFCOMM TTY devices 2893 0 = /dev/rfcomm0 First Bluetooth RFCOMM TTY device 2894 1 = /dev/rfcomm1 Second Bluetooth RFCOMM TTY device 2895 ... 2896 2897 217 char Bluetooth RFCOMM TTY devices (alternate devices) 2898 0 = /dev/curf0 Callout device for rfcomm0 2899 1 = /dev/curf1 Callout device for rfcomm1 2900 ... 2901 2902 218 char The Logical Company bus Unibus/Qbus adapters 2903 0 = /dev/logicalco/bci/0 First bus adapter 2904 1 = /dev/logicalco/bci/1 First bus adapter 2905 ... 2906 2907 219 char The Logical Company DCI-1300 digital I/O card 2908 0 = /dev/logicalco/dci1300/0 First DCI-1300 card 2909 1 = /dev/logicalco/dci1300/1 Second DCI-1300 card 2910 ... 2911 2912 220 char Myricom Myrinet "GM" board 2913 0 = /dev/myricom/gm0 First Myrinet GM board 2914 1 = /dev/myricom/gmp0 First board "root access" 2915 2 = /dev/myricom/gm1 Second Myrinet GM board 2916 3 = /dev/myricom/gmp1 Second board "root access" 2917 ... 2918 2919 221 char VME bus 2920 0 = /dev/bus/vme/m0 First master image 2921 1 = /dev/bus/vme/m1 Second master image 2922 2 = /dev/bus/vme/m2 Third master image 2923 3 = /dev/bus/vme/m3 Fourth master image 2924 4 = /dev/bus/vme/s0 First slave image 2925 5 = /dev/bus/vme/s1 Second slave image 2926 6 = /dev/bus/vme/s2 Third slave image 2927 7 = /dev/bus/vme/s3 Fourth slave image 2928 8 = /dev/bus/vme/ctl Control 2929 2930 It is expected that all VME bus drivers will use the 2931 same interface. For interface documentation see 2932 http://www.vmelinux.org/. 2933 2934 224 char A2232 serial card 2935 0 = /dev/ttyY0 First A2232 port 2936 1 = /dev/ttyY1 Second A2232 port 2937 ... 2938 2939 225 char A2232 serial card (alternate devices) 2940 0 = /dev/cuy0 Callout device for ttyY0 2941 1 = /dev/cuy1 Callout device for ttyY1 2942 ... 2943 2944 226 char Direct Rendering Infrastructure (DRI) 2945 0 = /dev/dri/card0 First graphics card 2946 1 = /dev/dri/card1 Second graphics card 2947 ... 2948 2949 227 char IBM 3270 terminal Unix tty access 2950 1 = /dev/3270/tty1 First 3270 terminal 2951 2 = /dev/3270/tty2 Seconds 3270 terminal 2952 ... 2953 2954 228 char IBM 3270 terminal block-mode access 2955 0 = /dev/3270/tub Controlling interface 2956 1 = /dev/3270/tub1 First 3270 terminal 2957 2 = /dev/3270/tub2 Second 3270 terminal 2958 ... 2959 2960 229 char IBM iSeries/pSeries virtual console 2961 0 = /dev/hvc0 First console port 2962 1 = /dev/hvc1 Second console port 2963 ... 2964 2965 230 char IBM iSeries virtual tape 2966 0 = /dev/iseries/vt0 First virtual tape, mode 0 2967 1 = /dev/iseries/vt1 Second virtual tape, mode 0 2968 ... 2969 32 = /dev/iseries/vt0l First virtual tape, mode 1 2970 33 = /dev/iseries/vt1l Second virtual tape, mode 1 2971 ... 2972 64 = /dev/iseries/vt0m First virtual tape, mode 2 2973 65 = /dev/iseries/vt1m Second virtual tape, mode 2 2974 ... 2975 96 = /dev/iseries/vt0a First virtual tape, mode 3 2976 97 = /dev/iseries/vt1a Second virtual tape, mode 3 2977 ... 2978 128 = /dev/iseries/nvt0 First virtual tape, mode 0, no rewind 2979 129 = /dev/iseries/nvt1 Second virtual tape, mode 0, no rewind 2980 ... 2981 160 = /dev/iseries/nvt0l First virtual tape, mode 1, no rewind 2982 161 = /dev/iseries/nvt1l Second virtual tape, mode 1, no rewind 2983 ... 2984 192 = /dev/iseries/nvt0m First virtual tape, mode 2, no rewind 2985 193 = /dev/iseries/nvt1m Second virtual tape, mode 2, no rewind 2986 ... 2987 224 = /dev/iseries/nvt0a First virtual tape, mode 3, no rewind 2988 225 = /dev/iseries/nvt1a Second virtual tape, mode 3, no rewind 2989 ... 2990 2991 "No rewind" refers to the omission of the default 2992 automatic rewind on device close. The MTREW or MTOFFL 2993 ioctl()'s can be used to rewind the tape regardless of 2994 the device used to access it. 2995 2996 231 char InfiniBand 2997 0 = /dev/infiniband/umad0 2998 1 = /dev/infiniband/umad1 2999 ... 3000 63 = /dev/infiniband/umad63 63rd InfiniBandMad device 3001 64 = /dev/infiniband/issm0 First InfiniBand IsSM device 3002 65 = /dev/infiniband/issm1 Second InfiniBand IsSM device 3003 ... 3004 127 = /dev/infiniband/issm63 63rd InfiniBand IsSM device 3005 128 = /dev/infiniband/uverbs0 First InfiniBand verbs device 3006 129 = /dev/infiniband/uverbs1 Second InfiniBand verbs device 3007 ... 3008 159 = /dev/infiniband/uverbs31 31st InfiniBand verbs device 3009 3010 232 char Biometric Devices 3011 0 = /dev/biometric/sensor0/fingerprint first fingerprint sensor on first device 3012 1 = /dev/biometric/sensor0/iris first iris sensor on first device 3013 2 = /dev/biometric/sensor0/retina first retina sensor on first device 3014 3 = /dev/biometric/sensor0/voiceprint first voiceprint sensor on first device 3015 4 = /dev/biometric/sensor0/facial first facial sensor on first device 3016 5 = /dev/biometric/sensor0/hand first hand sensor on first device 3017 ... 3018 10 = /dev/biometric/sensor1/fingerprint first fingerprint sensor on second device 3019 ... 3020 20 = /dev/biometric/sensor2/fingerprint first fingerprint sensor on third device 3021 ... 3022 3023 233 char PathScale InfiniPath interconnect 3024 0 = /dev/ipath Primary device for programs (any unit) 3025 1 = /dev/ipath0 Access specifically to unit 0 3026 2 = /dev/ipath1 Access specifically to unit 1 3027 ... 3028 4 = /dev/ipath3 Access specifically to unit 3 3029 129 = /dev/ipath_sma Device used by Subnet Management Agent 3030 130 = /dev/ipath_diag Device used by diagnostics programs 3031 3032 234-254 char RESERVED FOR DYNAMIC ASSIGNMENT 3033 Character devices that request a dynamic allocation of major number will 3034 take numbers starting from 254 and downward. 3035 3036 240-254 block LOCAL/EXPERIMENTAL USE 3037 Allocated for local/experimental use. For devices not 3038 assigned official numbers, these ranges should be 3039 used in order to avoid conflicting with future assignments. 3040 3041 255 char RESERVED 3042 3043 255 block RESERVED 3044 3045 This major is reserved to assist the expansion to a 3046 larger number space. No device nodes with this major 3047 should ever be created on the filesystem. 3048 (This is probably not true anymore, but I'll leave it 3049 for now /Torben) 3050 3051 ---LARGE MAJORS!!!!!--- 3052 3053 256 char Equinox SST multi-port serial boards 3054 0 = /dev/ttyEQ0 First serial port on first Equinox SST board 3055 127 = /dev/ttyEQ127 Last serial port on first Equinox SST board 3056 128 = /dev/ttyEQ128 First serial port on second Equinox SST board 3057 ... 3058 1027 = /dev/ttyEQ1027 Last serial port on eighth Equinox SST board 3059 3060 256 block Resident Flash Disk Flash Translation Layer 3061 0 = /dev/rfda First RFD FTL layer 3062 16 = /dev/rfdb Second RFD FTL layer 3063 ... 3064 240 = /dev/rfdp 16th RFD FTL layer 3065 3066 257 char Phoenix Technologies Cryptographic Services Driver 3067 0 = /dev/ptlsec Crypto Services Driver 3068 3069 257 block SSFDC Flash Translation Layer filesystem 3070 0 = /dev/ssfdca First SSFDC layer 3071 8 = /dev/ssfdcb Second SSFDC layer 3072 16 = /dev/ssfdcc Third SSFDC layer 3073 24 = /dev/ssfdcd 4th SSFDC layer 3074 32 = /dev/ssfdce 5th SSFDC layer 3075 40 = /dev/ssfdcf 6th SSFDC layer 3076 48 = /dev/ssfdcg 7th SSFDC layer 3077 56 = /dev/ssfdch 8th SSFDC layer 3078 3079 258 block ROM/Flash read-only translation layer 3080 0 = /dev/blockrom0 First ROM card's translation layer interface 3081 1 = /dev/blockrom1 Second ROM card's translation layer interface 3082 ... 3083 3084 259 block Block Extended Major 3085 Used dynamically to hold additional partition minor 3086 numbers and allow large numbers of partitions per device 3087 3088 259 char FPGA configuration interfaces 3089 0 = /dev/icap0 First Xilinx internal configuration 3090 1 = /dev/icap1 Second Xilinx internal configuration 3091 3092 260 char OSD (Object-based-device) SCSI Device 3093 0 = /dev/osd0 First OSD Device 3094 1 = /dev/osd1 Second OSD Device 3095 ... 3096 255 = /dev/osd255 256th OSD Device 3097 3098 384-511 char RESERVED FOR DYNAMIC ASSIGNMENT 3099 Character devices that request a dynamic allocation of major 3100 number will take numbers starting from 511 and downward, 3101 once the 234-254 range is full. 3102