1.\" $OpenBSD: it.4,v 1.8 2006/09/08 15:09:14 jmc Exp $ 2.\" 3.\" Copyright (c) 2003 Julien Bordet <zejames@greygats.org> 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" 26.Dd September 13, 2007 27.Dt IT 4 28.Os 29.Sh NAME 30.Nm it 31.Nd "ITE IT8705F/12F/16F and SiS SiS950 Super I/O Hardware Monitor" 32.Sh SYNOPSIS 33.Cd "device it0 at isa? port 0x290" 34.Cd "device it1 at isa? port 0xc00" 35.Cd "device it2 at isa? port 0xd00" 36.Cd "device it3 at isa? port 0x228" 37.Sh DESCRIPTION 38The 39.Nm 40driver provides support for the 41.Tn IT8705F , IT8712F , IT8716F 42and 43.Tn SiS950 44hardware monitors. 45The values are exposed through the 46.Dv HW_SENSORS 47.Xr sysctl 3 48interface. 49.Pp 50Most supported devices possess 15 sensors: 51.Bl -column ".Sy Sensor" ".Sy Units" ".Sy Typical" -offset indent 52.It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use" 53.It Li "Fan0" Ta "RPM" Ta "CPU Fan" 54.It Li "Fan1" Ta "RPM" Ta "Fan" 55.It Li "Fan2" Ta "RPM" Ta "Fan" 56.It Li "IN0" Ta "uV DC" Ta "Core voltage" 57.It Li "IN1" Ta "uV DC" Ta "Core voltage" 58.It Li "IN2" Ta "uV DC" Ta "+3.3V" 59.It Li "IN3" Ta "uV DC" Ta "+5V" 60.It Li "IN4" Ta "uV DC" Ta "+12V" 61.It Li "IN5" Ta "uV DC" Ta "Unknown" 62.It Li "IN6" Ta "uV DC" Ta "-12V" 63.It Li "IN7" Ta "uV DC" Ta "-5V" 64.It Li "IN8" Ta "uV DC" Ta "VBAT" 65.It Li "Temp" Ta "uK" Ta "Motherboard Temperature" 66.It Li "Temp" Ta "uK" Ta "Motherboard Temperature" 67.It Li "Temp" Ta "uK" Ta "CPU Temperature" 68.El 69.Pp 70For some devices, sensors' names and numbers will be different. 71.Sh SEE ALSO 72.Xr systat 1 , 73.Xr sysctl 3 , 74.Xr sensorsd 8 , 75.Xr sysctl 8 76.Sh HISTORY 77The 78.Nm 79driver first appeared in 80.Ox 3.4 81and was imported into 82.Dx 1.11 . 83.Sh AUTHORS 84.An -nosplit 85The 86.Nm 87driver was written by 88.An Julien Bordet Aq Mt zejames@greyhats.org . 89It was ported to 90.Fx 91by 92.An Constantine A. Murenin Aq Mt cnst@FreeBSD.org 93as a part of a Google Summer of Code 2007 project. 94.Sh BUGS 95Interrupt support is unimplemented. 96