1.\" $NetBSD: viaenv.4,v 1.5 2001/09/11 23:18:55 wiz Exp $ 2.\" 3.\" Copyright (c) 2000 Johan Danielsson 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.\" 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 17.\" 3. Neither the name of author nor the names of any contributors may 18.\" be used to endorse or promote products derived from this 19.\" software without specific prior written permission. 20.\" 21.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS 22.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31.\" POSSIBILITY OF SUCH DAMAGE. 32.Dd May 8, 2000 33.Dt VIAENV 4 34.Os 35.Sh NAME 36.Nm viaenv 37.Nd VIA VT82C686A hardware monitor 38.Sh SYNOPSIS 39.Cd "viapm* at pci? dev ? function ?" 40.Cd "viaenv* at viapm?" 41.Sh DESCRIPTION 42The 43.Nm 44is an 45.Xr envsys 4 46compatible driver for the hardware monitor in the 47.Tn VIA 48VT82C686A South Bridge. 49.Pp 50The device has 10 sensors: 51.Bl -column "Sensor" "Units" "Typical" -offset indent 52.It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use" 53.It Li "TSENS1" Ta "uK" Ta "CPU temperature" 54.It Li "TSENS2" Ta "uK" Ta "System temperature" 55.It Li "TSENS3" Ta "uK" Ta "?" 56.It Li "FAN1" Ta "RPM" Ta "CPU fan" 57.It Li "FAN2" Ta "RPM" Ta "System fan" 58.It Li "VSENS1" Ta "uV DC" Ta "CPU core voltage (2.0V)" 59.It Li "VSENS2" Ta "uV DC" Ta "North Bridge core voltage (2.5V)" 60.It Li "Vcore" Ta "uV DC" Ta "Internal core voltage (3.3V)" 61.It Li "VSENS3" Ta "uV DC" Ta "+5V" 62.It Li "VSENS4" Ta "uV DC" Ta "+12V" 63.El 64.Pp 65Sensor data is updated every 1.5 seconds. 66.Sh SEE ALSO 67.Xr envsys 4 , 68.Xr envstat 8 69.Sh HISTORY 70The 71.Nm 72device appeared in 73.Nx 1.5 . 74.Sh BUGS 75Interrupt support is unimplemented, as is support for setting values. 76