Fixed: sound not working in Debian Lenny on a Dell Mini 9
The solution to getting sound working under Debian Lenny on a Dell Mini 9 is very similar to the same procedure with Fedora 9 that I discussed a while ago. In order to enable the hda audio interface, add this line to the end of your /etc/modprobe.d/alsa-base file:
options snd-hda-intel index=0 model=dell
Log out and in and all should work. Be sure to adjust the volume of the speakers in the audio manager when testing it out, too, as mine was all the way down by default.
Once this works, you’ll probably want to disable the annoying system beep from the PC speaker module, too. To do this, just add this to the end of your /etc/modprobe.d/blacklist file: