72 lines
1.9 KiB
Groff
72 lines
1.9 KiB
Groff
.\" $NetBSD: piixpm.4,v 1.8 2020/01/14 15:43:19 msaitoh Exp $
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.\" $OpenBSD: piixpm.4,v 1.9 2006/01/18 03:06:33 brad Exp $
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.\"
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.\" Copyright (c) 2004, 2005 Alexander Yurchenko <grange@openbsd.org>
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.\"
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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.Dd January 14, 2020
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.Dt PIIXPM 4
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.Os
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.Sh NAME
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.Nm piixpm
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.Nd Intel PIIX and compatible Power Management controller
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.Sh SYNOPSIS
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.Cd "piixpm* at pci? dev ? function ?"
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.Cd "iic* at piixpm?"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the Intel PIIX and compatible Power Management
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controller.
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Only the SMBus host interface is supported and can be used with the
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.Xr iic 4
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framework.
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.Pp
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Supported chipsets:
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.Pp
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.Bl -bullet -compact -offset indent
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.It
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ATI SB200, SB300, SB400, SB600, SB700, SB800
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.It
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Intel 82371AB (PIIX4), 82440MX
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.It
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Serverworks OSB4, OSB5, OSB6, HT1000SB
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.It
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AMD FCHs (HUDSON, BOLTON and KERNCZ)
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.El
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.Sh SEE ALSO
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.Xr iic 4 ,
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.Xr intro 4 ,
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.Xr pci 4
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Ox 3.9
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and then in
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.Nx 4.0 .
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.Sh AUTHORS
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.An -nosplit
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The current
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.Nm
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driver was written by
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.An Alexander Yurchenko Aq Mt grange@openbsd.org .
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It was ported to
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.Nx
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by
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.An Jared D. McNeill Aq Mt jmcneill@netbsd.org .
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.Sh BUGS
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The driver doesn't support I2C commands with a data buffer size of more
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than 2 bytes.
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