Asus P4SE/U2 - Manual (Page 31)

ASUS P4SE Motherboard 1-21
13. Digital audio connector (6-1 pin SPDIF_OUT1)
(on audio models only)
This connector connects an S/PDIF audio module that allows digital
instead of analog sound output. Connect one end of the audio cable
to the S/PDIF Out connector on the motherboard, and the other end
to the S/PDIF module.
14. Line out connector (5-pin ALOUT1) (on audio models only)
This connector supplies a front panel Line out jack for stereo output.
P4SE
®
P4SE ALOUT Connector
ALOUT1
1
ALOUT1_LOUT_R BLOUT1_LOUT_L ALOUT1_LOUT_R BLOUT1_LOUT_L
P4SE
®
P4SE Digital Audio Connector
+5V SPDIFOUT GND
SPDIF_OUT1
The S/PDIF Out module is not included in the motherboard package.