69 lines
2.8 KiB
Groff
69 lines
2.8 KiB
Groff
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.\" $NetBSD: sb.4,v 1.1 1995/11/13 14:39:15 pk Exp $
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.\" Copyright (c) 1995 John T. Kohl
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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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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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.\" 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,
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.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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.\" 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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.\"
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.Dd November 4, 1995
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.Dt SB 4 i386
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.Os
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.Sh NAME
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.Nm sb
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.Nd
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SoundBlaster family (and compatibles) audio device driver
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.Sh SYNOPSIS
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.Cd "sb0 at isa? port 0xPPP irq X drq Y"
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.Sh DESCRIPTION
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The
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.Nm sb
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driver provides support for the SoundBlaster, SoundBlaster Pro,
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SoundBlaster 16, and hardware register-level compatible audio cards.
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.Pp
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The SoundBlaster series are half-duplex cards, capable of 8- and 16-bit
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audio sample recording and playback at rates up to 44.1kHz (depending on
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the particular model).
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.Pp
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The base I/O port address is usually jumper-selected to either 0x220 or
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0x240 (newer cards may provide software configuration, but this driver
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does not directly support them--you must configure the card for its I/O
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addresses with other software). The SoundBlaster takes 16 I/O ports.
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For the SoundBlaster and SoundBlaster Pro, the IRQ and DRQ channels are
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jumper-selected. For the SoundBlaster 16, the IRQ and DRQ channels are
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set by this driver to the values specified in the config file. The IRQ
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must be selected from the set {5,7,9,10}.
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.Pp
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.Sh BUGS
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The driver has not been extensively tested on original SoundBlaster,
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SoundBlaster 16, or newer cards.
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.Pp
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The FM synthesizer, joystick and MIDI port interfaces are not supported.
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.Sh SEE ALSO
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.Xr audio 4
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.Sh HISTORY
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The
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.Nm gus
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device driver appeared in
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.Nx 1.1 .
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