GIGABYTE GA-8I845GVM775 - Manual (Page 61)

Appendix - 61 -
English
4 Channel Analog Audio Output Mode
STEP 1 :
Connect the front channels to "Line Out", the rear
channels to "Line In".
STEP 2 :
After installation of the audio driver, you'll find an
icon on the taskbar's status area. Click the
audio icon "Sound Effect" from the windows tray at
the bottom of the screen.
STEP 3 :
Select "Speaker Configuration", and choose the
"4 channels for 4 speakers out put".
Disable "Only SURROUND-KIT", and press "OK".
When the "Environment settings" is "None", the
sound would be performed as stereo mode (2
channels output). Please select the other settings
for 4 channels output.
Line Out
Line In