Please follow instruction here to turn on 6 channel audio for G41D3C motherboard
1. Open VIA HD ADeck utility from desktop link
2. Select [Speaker]
3. Choose [6 Channel] for speakers
4. Plug in speaker on Green audio port for Front audio output
5. Plug in speaker on Blue audio port for Rear audio output
6. Plug in speaker on Pink audio port for Center/Subwoofer output
7. Click on Test logo to hear the audio output for each channel to see if connection is properly
