Documentation/hwmon/it87.rst

174     - Christophe Gauthron
175     - Jean Delvare <jdelvare@suse.de>
179 -----------------
192     misconfigured by BIOS - PWM values would be inverted. This option tries
209   Provided since there are reports that system-wide acpi_enfore_resources=lax
217 -------------------
219 All the chips supported by this driver are LPC Super-I/O chips, accessed
220 through the LPC bus (ISA-like I/O ports). The IT8712F additionally has an
228 -----------
247 is stored in the Super-I/O configuration space. Due to technical limitations,
258 IT8783E/F, and late IT8712F and IT8705F also have optional 16-bit tachometer
259 counters for fans 1 to 3. This is better (no more fan clock divider mess) but
260 not compatible with the older chips and revisions. The 16-bit tachometer mode
271 IT8728F. It only supports 3 fans, 16-bit fan mode, and the full speed mode
275 to IT8728F. It only supports 16-bit fan mode. Both chips support up to 6 fans.
277 The IT8790E, IT8792E/IT8795E and IT87952E support up to 3 fans. 16-bit fan
280 The IT8732F supports a closed-loop mode for fan control, but this is not
288 16-bit tachometer counters aren't used, fan readings can be divided by
298 voltage inputs can measure voltages between 0 and 4.08 volts, with a resolution
299 of 0.016 volt.  IT8603E, IT8721F/IT8758E and IT8728F can measure between 0 and
300 3.06 volts, with a resolution of 0.012 volt.  IT8732F can measure between 0 and
310 The driver handles this transparently so user-space doesn't have to care.
321 once-only alarms.
323 Out-of-limit readings can also result in beeping, if the chip is properly
338 -----------------
349 read-only.
353 -------------------------------------------
379 -----------------------------
381 The driver supports temp[1-3]_offset sysfs attributes to adjust the reported
382 temperature for thermal diodes or diode-connected thermal transistors.