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IT(4)			 BSD Kernel Interfaces Manual			 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
     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.

BSD			      September 13, 2007			   BSD

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