1 The QEMU PC System emulator simulates the following peripherals: 2 3 - i440FX host PCI bridge and PIIX3 PCI to ISA bridge 4 5 - Cirrus CLGD 5446 PCI VGA card or dummy VGA card with Bochs VESA 6 extensions (hardware level, including all non standard modes). 7 8 - PS/2 mouse and keyboard 9 10 - 2 PCI IDE interfaces with hard disk and CD-ROM support 11 12 - Floppy disk 13 14 - PCI and ISA network adapters 15 16 - Serial ports 17 18 - IPMI BMC, either and internal or external one 19 20 - Creative SoundBlaster 16 sound card 21 22 - ENSONIQ AudioPCI ES1370 sound card 23 24 - Intel 82801AA AC97 Audio compatible sound card 25 26 - Intel HD Audio Controller and HDA codec 27 28 - Adlib (OPL2) - Yamaha YM3812 compatible chip 29 30 - Gravis Ultrasound GF1 sound card 31 32 - CS4231A compatible sound card 33 34 - PC speaker 35 36 - PCI UHCI, OHCI, EHCI or XHCI USB controller and a virtual USB-1.1 37 hub. 38 39 SMP is supported with up to 255 CPUs. 40 41 QEMU uses the PC BIOS from the Seabios project and the Plex86/Bochs LGPL 42 VGA BIOS. 43 44 QEMU uses YM3812 emulation by Tatsuyuki Satoh. 45 46 QEMU uses GUS emulation (GUSEMU32 http://www.deinmeister.de/gusemu/) by 47 Tibor \"TS\" Schütz. 48 49 Note that, by default, GUS shares IRQ(7) with parallel ports and so QEMU 50 must be told to not have parallel ports to have working GUS. 51 52 .. parsed-literal:: 53 54 |qemu_system_x86| dos.img -device gus -parallel none 55 56 Alternatively: 57 58 .. parsed-literal:: 59 60 |qemu_system_x86| dos.img -device gus,irq=5 61 62 Or some other unclaimed IRQ. 63 64 CS4231A is the chip used in Windows Sound System and GUSMAX products 65 66 The PC speaker audio device can be configured using the pcspk-audiodev 67 machine property, i.e. 68 69 .. parsed-literal:: 70 71 |qemu_system_x86| some.img \ 72 -audiodev <backend>,id=<name> \ 73 -machine pcspk-audiodev=<name> 74 75 Machine-specific options 76 ~~~~~~~~~~~~~~~~~~~~~~~~ 77 78 It supports the following machine-specific options: 79 80 - ``x-south-bridge=PIIX3|piix4-isa`` (Experimental option to select a particular 81 south bridge. Default: ``PIIX3``) 82