Gigabyte GA-EP31-DS3LP User Manual page 27

13) CD_IN (CD In Connector, Black)
You may connect the audio cable that came with your optical drive to the header.
14) SPDIF_I (S/PDIF In Header, Red)
This header supports digital S/PDIF in and can connect to an audio device that supports digital
audio out via an optional S/PDIF in cable. For purchasing the optional S/PDIF in cable, please
contact the local dealer.
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Pin No. Definition
1 CD-L
2 GND
3 GND
4 CD-R
Pin No. Definition
1 Power
2 SPDIFI
3 GND
Hardware Installation