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.\" $OpenBSD: itherm.4,v 1.2 2010/07/03 07:09:26 jmc Exp $
.\"
.\" Copyright (c) 2010 Mike Larkin <mlarkin@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: July 3 2010 $
.Dt ITHERM 4
.Os
.Sh NAME
.Nm itherm
.Nd Intel 3400 temperature sensor
.Sh SYNOPSIS
.Cd "itherm* at pci?"
.Sh DESCRIPTION
The
.Nm
driver provides support for several sensors found in Intel 3400 and 5 series
chipsets.
.Pp
The sensors currently exposed via the
.Xr sysctl 8
interface are:
.Bl -column "Sensor " "Units" "Typical" -offset indent
.It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use"
.It Li "Thermometer" Ta "degC" Ta "Temperature"
.It Li "Core 1" Ta "degC" Ta "Temperature"
.It Li "Core 2" Ta "degC" Ta "Temperature"
.It Li "CPU power cons." Ta "Watts" Ta "Power usage"
.It Li "CPU/GPU Max" Ta "degC" Ta "Temperature"
.It Li "DIMM 1" Ta "degC" Ta "Temperature"
.It Li "DIMM 2" Ta "degC" Ta "Temperature"
.It Li "DIMM 3" Ta "degC" Ta "Temperature"
.It Li "DIMM 4" Ta "degC" Ta "Temperature"
.It Li "GPU abs." Ta "degC" Ta "Temperature"
.It Li "PCH abs." Ta "degC" Ta "Temperature"
.El
.Sh SEE ALSO
.Xr pci 4 ,
.Xr sensorsd 8 ,
.Xr sysctl 8
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 4.8 .
.Sh AUTHORS
The
.Nm
driver was written by
.An Mike Larkin Aq mlarkin@openbsd.org .
.Sh CAVEATS
Not all sensors are wired on every machine, so the list of
sensors shown in
.Xr sysctl 8
may not show all the sensors listed above.
Furthermore, the
.Nm
driver will flag sensors as invalid if they report bogus data.
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