IT(4)

NAME
it - ITE IT8705F/12F/16F and SiS SiS950 Super I/O Hardware Monitor

SYNOPSIS
device it0 at isa? port 0x290
device it1 at isa? port 0xc00
device it2 at isa? port 0xd00
device it3 at isa? port 0x228

DESCRIPTION
The it driver provides support for the IT8705F, IT8712F, IT8716F and SiS950 hardware monitors. The values are exposed through the HW_SENSORS sysctl(3) interface.

Most supported devices possess 15 sensors:
Sensor | Units | Typical Use
Fan0 | RPM | CPU Fan
Fan1 | RPM | Fan
Fan2 | RPM | Fan
IN0 | uV DC | Core voltage
IN1 | uV DC | Core voltage
IN2 | uV DC | +3.3V
IN3 | uV DC | +5V
IN4 | uV DC | +12V
IN5 | uV DC | Unknown
IN6 | uV DC | -12V
IN7 | uV DC | -5V
IN8 | uV DC | VBAT
Temp | uK | Motherboard Temperature
Temp | uK | Motherboard Temperature
Temp | uK | CPU Temperature

For some devices, sensors' names and numbers will be different.

SEE ALSO
systat(1), sysctl(3), sensorsd(8), sysctl(8)

HISTORY
The it driver first appeared in OpenBSD 3.4 and was imported into DragonFly 1.11.

AUTHORS
-nosplit The it driver was written by Julien Bordet <zejames@greyhats.org>. It was ported to FreeBSD by Constantine A. Murenin <cnst@FreeBSD.org> as a part of a Google Summer of Code 2007 project.

BUGS
Interrupt support is unimplemented.