Gigabyte GA-M55S-S3 User Manual page 25

14) CD_IN (CD In Connector)
Connect CD-ROM or DVD-ROM audio out to the connector.
15) SPDIF_I (SPDIF In Connector)
Use SPDIF IN feature only when your device has digital output function. Be careful with the polarity
of the SPDIF_I connector. Check the pin assignment carefully while you connect the SPDIF cable,
incorrect connection between the cable and connector will make the device unable to work or even
damage it. For optional SPDIF cable, please contact your local dealer.
Pin No.
1
Pin No.
1
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Definition
1 CD-L
2 GND
3 GND
4 CD-R
Definition
1 Power
2 SPDIFI
3 GND
Hardware Installation