Enable Sound
From SingletonMillerWiki
As of 17/06/2012 sound remains experimental in the RPi and the alpha driver is under development.
Getting Sound Going
install sound utilies
sudo apt-get install alsa-utils
load the sound driver
sudo modprobe snd_bcm2835
test sound
sudo aplay /usr/share/sounds/alsa/Front_Center.wav <pre> == permanently load the sound driver == to load the sound driver every boot add it to config file <code> /etc/modules </code> <pre> sudo nano /etc/modules
add snd_bcm2835
to the end of the file.
The sound driver will be loaded at boot time.