d/l your manual
http://www.dfi.com.tw/Upload/Manual/lputnf4 847505101.pdf
http://www.dfi.com.tw/Upload/Manual/lputnf4 847505101.pdf
Ground - (pin 2) GND
R out - (pin 5) Line out_Right
R Ret - (pin 6) Line out_Right_Front
L out - (pin 9) Line out_Left
L Ret - (pin 10) Line out_Left_Front
Mic In - (pin 1) Mic_Left
Mic Power - (pin 3) Mic_Right