AC97 onboard sound

shoel

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May 30, 2002
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Does anyone know if there is support for AC97 sound in linux? i've installed Mandrake 8.1 and 8.2 and neither one has any sound with the exception of a couple of seconds of tv card audio before the tv program locks the system up completly solid... but thats another post.
I've checked all of the mixer settings etc.. no luck.

Thanks.
 

poorboy

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Yes it generally does have ac97 support. have a look at <A HREF="http://www.alsa-project.org" target="_new">http://www.alsa-project.org</A> to see what driver to use for your setup. try something reliable like mpg123 or xmms for testing sound output.

<i>I used to have a girl, but then I got my CS degree...</i>
 

shoel

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Turns out Mandrake 8.2 comes with the ALSA (Advanced Linux Sound Architecture) drivers built in. For some reason they are not installed. Maybe its a board detection problem.A simple addition to your /etc/modules.conf file will get it up and running:

alias char-major-116 snd
alias snd-card- snd-card-via8233
alias char-major-14 soundcore
alias sound-slot-0 snd-card-0
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss

I added these lines and commented out the default:

#alias sound-slot-0 via82cxxx_audio


The ALSA drivers are reported to work with more software and audio formats than any other that i have researched.

BTW: The above only pertains to those that are usuing the via8233 onboard sound.