Right channel emits high pitched noise on Marquis M817 and M819

Problem:

Right channel emits high pitched noise on Marquis M817 and M819

Solution:

Under Fedora Core 5, specify the model in /etc/modprobe.conf:

options snd-hda-intel index=0 model=3stack

For SuSE 10.1, the model can be set via yast.