1.\" $OpenBSD: itherm.4,v 1.4 2013/07/16 16:05:49 schwarze Exp $ 2.\" 3.\" Copyright (c) 2010 Mike Larkin <mlarkin@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: July 16 2013 $ 18.Dt ITHERM 4 19.Os 20.Sh NAME 21.Nm itherm 22.Nd Intel 3400 temperature sensor 23.Sh SYNOPSIS 24.Cd "itherm* at pci?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for several sensors found in Intel 3400 and 5 series 29chipsets. 30.Pp 31The sensors currently exposed via the 32.Xr sysctl 8 33interface are: 34.Bl -column "CPU power cons." "Units" "Typical Use" -offset indent 35.It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use" 36.It Li "Thermometer" Ta "degC" Ta "Temperature" 37.It Li "Core 1" Ta "degC" Ta "Temperature" 38.It Li "Core 2" Ta "degC" Ta "Temperature" 39.It Li "CPU power cons." Ta "Watts" Ta "Power usage" 40.It Li "CPU/GPU Max" Ta "degC" Ta "Temperature" 41.It Li "DIMM 1" Ta "degC" Ta "Temperature" 42.It Li "DIMM 2" Ta "degC" Ta "Temperature" 43.It Li "DIMM 3" Ta "degC" Ta "Temperature" 44.It Li "DIMM 4" Ta "degC" Ta "Temperature" 45.It Li "GPU abs." Ta "degC" Ta "Temperature" 46.It Li "PCH abs." Ta "degC" Ta "Temperature" 47.El 48.Sh SEE ALSO 49.Xr pci 4 , 50.Xr sensorsd 8 , 51.Xr sysctl 8 52.Sh HISTORY 53The 54.Nm 55driver first appeared in 56.Ox 4.8 . 57.Sh AUTHORS 58The 59.Nm 60driver was written by 61.An Mike Larkin Aq Mt mlarkin@openbsd.org . 62.Sh CAVEATS 63Not all sensors are wired on every machine, so the list of 64sensors shown in 65.Xr sysctl 8 66may not show all the sensors listed above. 67Furthermore, the 68.Nm 69driver will flag sensors as invalid if they report bogus data. 70