Pegatron IPMTB-GS Reference Manual page 20

7 Connectors
IEEE 1394 port connector
This connector is for a 1394 port. Connect the 1394 cable from the system front
panel to this connector.
WARNING: Never connect a USB cable to the IEEE 1394 connector. Doing
so will damage the motherboard!
Digital Audio connector
This connector is for the S/PDIF audio module to allow digital sound output.
Connect one end of the S/PDIF audio cable to this connector and the other end to
the S/PDIF module (may require separate purchase).
20
F_1394
SPDIF_OUT2
Ground
SPDIF Out
IPMTB-GS Motherboard Reference Guide