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73 lines
2.3 KiB
Groff
73 lines
2.3 KiB
Groff
.\" Copyright (c) 2002 Nicolas Souchu
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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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.\" 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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.\" 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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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd April 20, 2002
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.Dt VIAPM 4
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.Os
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.Sh NAME
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.Nm viapm
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.Nd VIA chipsets Power Management controller driver
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.Sh SYNOPSIS
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.Cd device iicbb
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.Cd device iicbus
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.Cd device iicsmb
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.Cd device smbus
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.Cd device smb
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.Cd device viapm
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.Sh DESCRIPTION
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This driver provides access to the
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.Tn "VIA chipset Power Management Unit"
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family.
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They are
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VT82C586B, VT82C596A, VT82C596B, VT82C686A and VT8233.
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.Pp
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The embedded controller of the VIA chipset may give you access
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to the monitoring facilities of your mainboard.
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.Pp
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The 586B support is made by software whereas other controllers support
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the SMBus protocol by hardware.
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See
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.Xr smb 4
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for writing user code to fetch voltages, temperature and so on from the
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monitoring chip of your mainboard.
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.Sh SEE ALSO
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.Xr iicbb 4 ,
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.Xr iicbus 4 ,
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.Xr iicsmb 4 ,
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.Xr smb 4 ,
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.Xr smbus 4
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.Sh HISTORY
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The
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.Nm
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manual page first appeared in
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.Fx 4.5 .
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.Sh AUTHORS
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This
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manual page was written by
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.An Nicolas Souchu Aq nsouch@FreeBSD.org .
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.Sh BUGS
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Only polling mode is supported.
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