Asus P4GE-V - Manual (Page 125)

ASUS P4GE-V motherboard user guide 5-23
Adjusting the volume settings
1. After rebooting the system, click on the volume control icon on the
taskbar (lower right corner of your desktop) to display the Volume
Control panel.
Volume control icon
2. If you installed an S/PDIF module,
click on the Volume Control Advanced
button from the Volume Control panel.
The Advanced Controls for Volume
Control window appears.
To achieve 6-channel audio capability
when playing DVDs, check the boxes
opposite AC3 SPDIF and PCM SPDIF.
Click Close.
You do not need to do step 2 if you did not install an S/PDIF module.