
9 . Digital audio connector (3-pin  SPDIF2 )
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port(s). Connect the S/PDIF module cable to this connector, then install the module to a slot opening at the back of the system chassis.
The S/PDIF module is purchased separately.
SPDIF2
(White)
+5V 

SPDIF_OUT 
 GND
 GND 

10. Front panel audio connector (10-1-pin  F_AUDIO)
This connector is for a 
| LIN2 R SENSE | MIC2 R | MIC2 L | |
| 
 | 
 | 
 | 1 | 
| F_AUDIO | 
 | 
 | 
 | 
| LIN2 RTU | MIC2 RTU | AUDIO PRES# | GND | 
| 2 0 | ASUS  |