*BSD News Article 85091


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From: joel@engr.washington.edu (Joel Bradbury)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: soundcard help?
Date: Mon, 16 Dec 1996 12:39:44 -0800
Organization: University of Washington
Lines: 26
Message-ID: <joel-1612961239440001@j-mac-ci.engr.washington.edu>
NNTP-Posting-Host: j-mac-ci.engr.washington.edu
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:32719

I'm trying to get a soundcard to work with a FreeBSD 2.1.6 system.  My
goal is to use vat for MBone reception, but at the moment I'm just trying
to get any noise out of the card at all.  I was originally trying a
'SoundBlaster compatible' card, but have swapped in an older basic
SoundBlaster, with no improvement.  The jumpers are set to the default
values (port 0x220, irq 7). (The card works OK under DOS.)

My kernel config includes:
 
controller     snd0
device         sb0   at isa?  port 0x220 irq 7 conflicts drq 1 vector sbintr

When it boots, I get:

sb0: at 0x220 irq 7 drq 1 on isa
sb0: <SoundBlaster 2.1>

But I can't seem to get any sound.  I've seen comments about cating a
sound file to /dev/audio (should this be an .au file?  I've tried files of
several formats), but all I get is a brief crackle on the earphones.

I haven't been able to find much relevant documentation except for
'sound.doc' in /usr/src/sys/i386/isa/sound.  Any suggestions would be much
appreciated.

          Joel         joel@engr.washington.edu