2000-02-15 20:23:11 +03:00
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.\" $NetBSD: pnpbios.4,v 1.3 2000/02/15 17:23:17 nathanw Exp $
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1999-11-14 20:02:20 +03:00
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.\"
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.\" Copyright (c) 1999 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Lennart Augustsson.
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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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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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.\"
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.Dd November 14, 1999
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.Dt PNPBIOS 4
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.Os
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.Sh NAME
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.Nm pnpbios
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.Nd introduction to PnP BIOS support
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.Sh SYNOPSIS
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.Cd "pnpbios0 at mainbus?"
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.Cd "XX* at pnpbios0 index ?"
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.Pp
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.Sh INTRODUCTION
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.Nx
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provides support for finding and attaching devices by
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extracting information from the PnP BIOS of a machine.
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.Sh SUPPORTED DEVICES
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.Nx
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includes the following
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.Nm
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drivers, sorted by driver name:
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.Pp
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.Bl -tag -width speaker -offset indent -compact
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.It com
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serial communications interface
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.It lpt
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parallel port driver
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.It pciide
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PCI IDE controllers driver
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.It ess
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ESS Technology AudioDrive family audio device driver
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.It sb
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SoundBlaster family audio device driver
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.It wss
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Windows Sound System hardware driver
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.It ym
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Yamaha OPL3-SA3 sound driver
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.El
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.\"
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.Pp
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1999-11-14 23:03:25 +03:00
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.Sh CAVEATS
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The
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.Nm
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bus provides a different way to attach devices than the real buses
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(e.g.,
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.Xr isa 4 ).
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The reason to use
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.Nm
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instead of the real bus is that some machines have weird routings
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of, e.g., interrupts. The exact information about these things can
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be found in the BIOS, which is why the
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.Nm
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bus has a better chance of succeeding with getting it right.
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.Pp
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Many older BIOS implementations do not support PnP,
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and some newer ones do not follow the standards.
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1999-11-14 20:02:20 +03:00
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.Sh SEE ALSO
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.Xr intro 4 ,
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.Xr com 4 ,
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.Xr isa 4 ,
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.Xr lpt 4 ,
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.Xr pci 4 ,
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.Xr pciide 4 ,
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.Xr ess 4 ,
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.Xr sb 4 ,
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.Xr wss 4 ,
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.Xr ym 4
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.Sh HISTORY
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The
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.Nm
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driver
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appeared in
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.Nx 1.5 .
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