Spdif_In/Spdif_Out Connector - FIC KT-748 Manual

KT-748 Mainboard Manual
(4) Power Button is connected with power button. Push this switch allows the
system to be turned on and off rather than using the power supply button.
IR is a pinheader that is used for linking with your ID device to allow transmis-
sion of data to another system that also supports the IR feature.
Speaker is connected with the case speaker.

SPDIF_IN/SPDIF_OUT Connector

It is used for audio input and output that with SPDIF spec.
Pin definitions: Pin1 is 5V, Pin2 is SPDIF signal, P3 is GND.
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