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SIR1: Serial infrared port
The mainboard supports a Serial Infrared (SIR) 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
2
3
4
5
6
Not assigned
(No Pin)
+5V
Ground
IRTX
IRRX
J3: Serial IRQ header
(reserved for OEM use only)
This header allows you to install the Serial IRQ connector.
Pin
Signal Name
1
2
3
4
5
6
NC
GND
KEY
NC
GND
Serial IRQ
SPDIF1: SPDIF out header
(reserved for OEM use only)
You can purchase an optional 24-bit digital audio extension bracket from a
third-party vendor. You can use the audio RCA jacks to connect to digital au-
dio devices. If your CD-ROM/DVD drive has digital audio output, you can
connect it to the input pins of the SPDIF connector.
Pin
Signal Nam e
1
2
3
4
SPDIF Out
VCC
KEY
GND