User Feedback :: general help with cd-rom and usb drives

Play sound - any sound will do, this will play some fuzz:

cat /dev/urandom > /dev/dsp

And if that modprobe line worked, ie you heard the fuzz, you can have sound enabled every boot, by adding the line with all your settings to the end of /opt/bootlocal.sh using your favorite editor (I use nano)

original here.