*BSD News Article 70664


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From: Ken Bigelow <kbigelow@www.play-hookey.com>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: sound card question
Date: Tue, 11 Jun 1996 18:50:42 -0700
Organization: Erols Internet Services
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Steve Rose wrote:
> 
> I've installed 2.1 and I'm having problems getting audio through the
> Soundblaster AWE 32...
> 
> kernel mods...
> 
> # added device support for SoundBlaster audio
> controller      snd0
> device          sb0     at isa? port 0x220 irq 5 drq 1 vector sbintr
> options         SBC_IRQ=5
> device          sbmidi0 at isa? port 0x330
> 
> Then "sh MAKEDEV snd0"
> 
> at bootup, the soundcard appears to be probed.
> 
> sb0 at 0x220 irq 5 drq 1 on isa
> sb0: <SoundBlaster 16 4.12>
> sbmidi0 not found at 0x330
> 
> Any suggestions as to the midi device not being found or any
> applications (xcd, etc) not using the sound card?
> 


Did you check the settings for port address and IRQ in the file:

/usr/src/sys/i386/isa/sound/sound_config.h    ?

The LINT file warns about this -- the port address, IRQ, and DMA are all 
hard-coded in this header file. It looks like you kept port 220, but the 
IRQ is assumed to be 7 unless you reconfigured. The same header file also 
defines SB16MIDI_BASE as 0x300.

Look carefully for any other definitions in this file that may affect 
your system.

Ken