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IR1: Serial infrared port
The mainboard supports an Infrared (IR) 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.
Pin
Signal Name
1
Not assigned
2
KEY
3
+5V
4
GND
5
IRTX
6
IRRX
SPDIF1: 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.
Pin
Signal Name
1
SPDIF Out
2
VCC
3
KEY
4
GND
COM2: Onboard serial port connector
Connect a serial port extension bracket to this header to add a second serial
port to your system.
Pin
Signal Name
1
NDCDB
2
NSINB
3
NSOUTB
4
NDTRB
5
GND
6
NDSRB
7
NRTSB
8
NCTSB
9
NRIB
10
Key
Function
Not assigned
No pin
IR Power
Ground
IrDA serial output
IrDA serial input
Function
Data carry detect
Serial Data In
Serial Date Out
Data terminal ready
Ground
Date set ready
Request to send
Clear to send
Ring Indicator
Key
23
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