1.\" $NetBSD: viaenv.4,v 1.3 2000/07/04 08:57:44 enami 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 33.Dd May 8, 2000 34.Dt VIAENV 4 35.Os 36.Sh NAME 37.Nm viaenv 38.Nd VIA VT82C686A hardware monitor 39.Sh SYNOPSIS 40.Cd "viapm* at pci? dev ? function ?" 41.Cd "viaenv* at viapm?" 42.Sh DESCRIPTION 43The 44.Nm 45is an 46.Xr envsys 4 47compatible driver for the hardware monitor in the 48.Tn VIA 49VT82C686A South Bridge. 50.Pp 51The device has 10 sensors: 52.Bl -column "Sensor" "Units" "Typical" -offset indent 53.It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use" 54.It Li "TSENS1" Ta "uK" Ta "CPU temperature" 55.It Li "TSENS2" Ta "uK" Ta "System temperature" 56.It Li "TSENS3" Ta "uK" Ta "?" 57.It Li "FAN1" Ta "RPM" Ta "CPU fan" 58.It Li "FAN2" Ta "RPM" Ta "System fan" 59.It Li "VSENS1" Ta "uV DC" Ta "CPU core voltage (2.0V)" 60.It Li "VSENS2" Ta "uV DC" Ta "North Bridge core voltage (2.5V)" 61.It Li "Vcore" Ta "uV DC" Ta "Internal core voltage (3.3V)" 62.It Li "VSENS3" Ta "uV DC" Ta "+5V" 63.It Li "VSENS4" Ta "uV DC" Ta "+12V" 64.El 65.Pp 66Sensor data is updated every 1.5 seconds. 67.Sh SEE ALSO 68.Xr envsys 4 , 69.Xr envstat 8 70.Sh BUGS 71Interrupt support is unimplemented, as is support for setting values. 72.Sh HISTORY 73The 74.Nm 75device appeared in 76.Nx 1.5 . 77