76 lines
2.7 KiB
Groff
76 lines
2.7 KiB
Groff
.\" $NetBSD: viaenv.4,v 1.5 2001/09/11 23:18:55 wiz Exp $
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.\"
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.\" Copyright (c) 2000 Johan Danielsson
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\"
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\"
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" 3. Neither the name of author nor the names of any contributors may
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.\" be used to endorse or promote products derived from this
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.\" software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.Dd May 8, 2000
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.Dt VIAENV 4
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.Os
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.Sh NAME
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.Nm viaenv
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.Nd VIA VT82C686A hardware monitor
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.Sh SYNOPSIS
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.Cd "viapm* at pci? dev ? function ?"
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.Cd "viaenv* at viapm?"
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.Sh DESCRIPTION
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The
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.Nm
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is an
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.Xr envsys 4
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compatible driver for the hardware monitor in the
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.Tn VIA
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VT82C686A South Bridge.
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.Pp
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The device has 10 sensors:
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.Bl -column "Sensor" "Units" "Typical" -offset indent
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.It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use"
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.It Li "TSENS1" Ta "uK" Ta "CPU temperature"
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.It Li "TSENS2" Ta "uK" Ta "System temperature"
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.It Li "TSENS3" Ta "uK" Ta "?"
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.It Li "FAN1" Ta "RPM" Ta "CPU fan"
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.It Li "FAN2" Ta "RPM" Ta "System fan"
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.It Li "VSENS1" Ta "uV DC" Ta "CPU core voltage (2.0V)"
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.It Li "VSENS2" Ta "uV DC" Ta "North Bridge core voltage (2.5V)"
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.It Li "Vcore" Ta "uV DC" Ta "Internal core voltage (3.3V)"
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.It Li "VSENS3" Ta "uV DC" Ta "+5V"
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.It Li "VSENS4" Ta "uV DC" Ta "+12V"
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.El
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.Pp
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Sensor data is updated every 1.5 seconds.
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.Sh SEE ALSO
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.Xr envsys 4 ,
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.Xr envstat 8
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.Sh HISTORY
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The
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.Nm
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device appeared in
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.Nx 1.5 .
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.Sh BUGS
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Interrupt support is unimplemented, as is support for setting values.
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