GIGABYTE 5225 - Manual (Page 70)

Technical Reference - 65 -
English
4 Channel Analog Audio Output Mode
STEP 1 :
Connect the front channels to "Line Out",
the rear channels to "Line In".
STEP 3 :
Select "Speaker Configuration", and choose the
"4 channel 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.
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.
Line Out Line In