19
Installing the Motherboard
CD_IN: Analog audio input connector
SPDIFO: 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 coaxial connector.
IR: Infrared header
2 Key
3 +5V
4 GND
1 NC
Pin Signal Name
The motherboard supports an Infrared (IR) data port. Infrared ports allow the wire-
less exchange of information between your computer and similarly equipped devices
such as printers, laptops, Personal Digital Assistants (PDAs), and other computers.
2 +5VA 5V analog Power
3 Key No pin
4 GND Ground
1 SPDIF SPDIF digital output
Pin Signal Name Function
Pin Signal Name Function
1 CD_L Left CD-in signal
2 GND Ground
3 GND Ground
4 CD_R Right CD-in signal
5 IRTX
6 IRRX
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