24
Installing the Motherboard
COM2: Onboard serial port header (Optional)
Connect a serial port extension bracket to this header to add a second serial port to your
system.
SPDIFO1: SPDIF out header (Optional)
This is an optional header that provides an S/PDIF (Sony/Philips Digital Interface) output
to digital multimedia device through optical fiber or coaxial connector.
CD_IN: Analog audio input connector
Pin Signal Name Function
1 CD_L Left CD-in signal
2 GND Ground
3 GND Ground
4 CD_R Right CD-in signal
2 +5VA 5V analog Power
3 Key No pin
4 GND Ground
Pin Signal Name Function
1 SPDIF SPDIF digital output
WOL1: Wake On LAN Connector (Optional)
If you haveinstalled a LAN card, use the cable provided with the card to plug into the
motherboard WOL connector. This enables the Wake On LAN (WOL) feature. When your
system id in a power-saving mode, any LAN signal automatically resumes the system. You
must enable this item using the Power Management page of the Setup Utility.
1 NDCDB Data carry detect
2 NSINB Serial Data In
3 NSOUTB Serial Date Out
4 NDTRB Data terminal ready
5 GND Ground
6 NDSRB Date set ready
7 NRTSB Request to send
8 NCTSB Clear to send
9 NRIB Ring Indicator
10 Key No pin
Pin Signal Name Function
1 5VSB +5V stand by power
2 GND Ground
3 Ring# Wake up signal
Pin Signal Name
Function
Pin Signal Name Function
1 Not Assigned Not assigned
2 Key No pin
3 +5V IR Power
4 GND Ground
5 IR_TX IrDA serial output
6 IR_RX IrDA serial input
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