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Date:      Mon, 21 Jun 1999 18:44:18 -0400
From:      Sam Stephenson <sam@conio.net>
To:        questions@freebsd.org
Subject:   SoundBlaster 16 problems
Message-ID:  <99062118550800.22560@thanatos.conio.net>

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I'm running FreeBSD 3.2-STABLE, and it seems that my SoundBlaster 16 doesn't
work.  It's not a Plug-and-Play card (it's one of the old ones), and works fine
in NT4.  Here's what I have in my kernel config file:

controller      snd0
device          sb0 at isa? port 0x220 irq 5 drq 1 vector sbintr
device          sbxvi0 at isa? drq 5
device          sbmidi0 at isa? port 0x330

I have no conflicts, and the device seems to be recognized at startup:

sb0 at 0x220 irq 5 drq 1 on isa
snd0: <SoundBlaster 16 4.11> 
sbxvi0 at drq 5 on isa
snd0: <SoundBlaster 16 4.11>
sbmidi0 at 0x330 on isa
snd0: <SoundBlaster MPU-401> 

When I try to play various audio files using splay, I get this error:

Sound: DMA (output) timed out - IRQ/DRQ config error?

Other programs, like amp, simply sit without giving any error messages at all. 
Catting a file to /dev/dsp produces static, just as it should.  I installed the
port 'rsynth', a speech synthesizer, to see if I could get some sound;
strangely, only the first part of a string is played:

% say ABCDEFG

results in the sound 'A... B... C... D<click>".  Any suggestions?

--Sam Stephenson
  sam@conio.net


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