22
Installing the Motherboard
AUDIO1: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-out ports
for easier access.
SPDIFO1: SPDIF out header
This is an optional header that provides an S/PDIF (Sony/Philips Digital Interface) output
to digital multimedia device through optical fiber or coxial connector.
IR1: Infrared port
The mainboard supports an Infrared (IR1) data port. Infrared ports allow the wireless
exchange of information between your computer and similarly equipped devices such as
printers, laptops, Personal Digital Assistants (PDAs), and other computers.
SATA1/2/3/4: Serial ATA connectors
These connectors are use to support the new Serial ATA devices for the highest date transfer
rates (150 MB/s), simpler disk drive cabling and easier PC assembly. It eliminates limitations
of the current Parallel ATA interface. But maintains register compatibility and software
compatibility with Parallel ATA.
Pin Signal Name Function
1 PORT-FL 2 GND
3 PORT-FR 4 ACZ-DET
5 PORT-ER 6 AGND
7 SENSE B 8 KEY
Pin Signal Name
Pin Signal Name
9 PORT-EL 10 GND
Pin Signal Name Function
3 SPDIF SPDIF digital output
1 +5VA 5V analog power
2 Key No pin
4 GND Ground
Pin Signal Name
Function
Pin Signal Name Function
1 NC Not connected
2 Key No pin
3 +5V IR Power
4 GND Ground
5 IRTX IrDA serial output
6 IRRX IrDA serial input
Pin Signal Name Function
1 Ground 2 TX+
3 TX- 4 Ground
5 RX- 6 RX+
7 Ground - -
Pin Signal Name
Pin Signal Name
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