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GeForce 8200 in Debian
I ended up with a Jetway JNC62K AM2+ GeForce 8200 motherboard with which to build a media center pc (combined with a Chenbro Mini-ITX Home Server/NAS Chassis - ES34069 for a high Spouse Acceptance Factor). In the process of setting it up I had a lot of difficulty getting the sound to work properly. Due to the sparcity of information online, I have documented what I needed to do to make it work.
Most of this has been based on This thread.
Crackling and/or corrupt audio output. Seems independant of what you are playing, or which tool you use to play it.
The audio device installed on the motherboard shows up in lspci as:00:07.0 Audio device: nVidia Corporation Device 0774 (rev a1)
Using the self compile drivers from the alsa-source package in lenny (1.0.17.dfsg-4) doesn't seem to fix the crackling, neither does the one from squeeze/testing (1.0.20+dfsg-1). Trying the code from alsa in both alsa-drivers-1.0.9rc4 and alsa-drivers-1.0.9 fails to compile on my system (errors in both the linux tree, and the alsa code stopping it from compiling). In the end I had to get a daily snapshot from http://ftp.kernel.org/pub/linux/kernel/people/tiwai/alsa/alsa-driver/. I used alsa-driver-20090601.tar.gz. Beyond the search to find a daily snapshot, it is a pretty straight forward process. Just follow the normal ./configure ; make ; make install-modules process. With this done you will need to run ./snddevices followed by running alsaconf (part of the alsa-utils package in debian). At this point it all worked.
For the record the kernel version I am using is: 2.6.26-2-amd64