.\"	$OpenBSD: it.4,v 1.9 2007/05/31 19:19:50 jmc Exp $
.\"
.\" Copyright (c) 2003 Julien Bordet <zejames@greygats.org>
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.Dd $Mdocdate: May 31 2007 $
.Dt IT 4
.Os
.Sh NAME
.Nm it
.Nd ITE IT8705F, IT8712F, and SiS SiS950 temperature, voltage,
and fan sensor
.Sh SYNOPSIS
.Cd "it0 at isa? port 0x290"
.Cd "it1 at isa? port 0xc00"
.Cd "it2 at isa? port 0xd00"
.Sh DESCRIPTION
The
.Nm
driver provides support for the
.Tn IT8705F , IT8712F
and
.Tn SiS950
hardware monitors to be used with the
.Xr sysctl 8
interface.
.Pp
Most supported devices possess 15 sensors:
.Bl -column "Sensor" "Units" "Typical" -offset indent
.It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use"
.It Li "Fan0" Ta "RPM" Ta "CPU Fan"
.It Li "Fan1" Ta "RPM" Ta "Fan"
.It Li "Fan2" Ta "RPM" Ta "Fan"
.It Li "IN0" Ta "uV DC" Ta "Core voltage"
.It Li "IN1" Ta "uV DC" Ta "Core voltage"
.It Li "IN2" Ta "uV DC" Ta "+3.3V"
.It Li "IN3" Ta "uV DC" Ta "+5V"
.It Li "IN4" Ta "uV DC" Ta "+12V"
.It Li "IN5" Ta "uV DC" Ta "Unknown"
.It Li "IN6" Ta "uV DC" Ta "-12V"
.It Li "IN7" Ta "uV DC" Ta "-5V"
.It Li "IN8" Ta "uV DC" Ta "VBAT"
.It Li "Temp" Ta "uK" Ta "Motherboard Temperature"
.It Li "Temp" Ta "uK" Ta "Motherboard Temperature"
.It Li "Temp" Ta "uK" Ta "CPU Temperature"
.El
.Pp
For some devices, sensors' names and numbers will be different.
.Sh SEE ALSO
.Xr sensorsd 8 ,
.Xr sysctl 8
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 3.4 .
.Sh AUTHORS
The
.Nm
driver was written by
.An Julien Bordet Aq zejames@greyhats.org .
.Sh BUGS
Interrupt support is unimplemented.