Gigabyte GA-VM800PMC User Manual page 74

4 Channel Analog Audio Output Mode
STEP 1:
Connect the front channels to "Line Out,"
the rear channels to "Line In."
STEP 2:
After installing the audio driver, you'll find a VIA
Audio Deck icon on the lower right hand taskbar.
Double-click the icon to open the Audio Control
Panel.
STEP 3:
In the Audio Control Panel, click the Speaker tab
and select the 4 Channel check box.
When the Environmental Modeling is disable,
the sound would be performed as stereo mode (2
Channel output). Please select other settings (ex:
Living Room) for 4 Channel output.
Select the Enable Environmental
Modeling check box.
GA-VM800PMC Motherboard - 74 -
Line Out
Line In