SIR1: Serial infrared port
The mainboard supports a Serial 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.
Pin
Signal Name
Function
1
Not assigned
Not assigned
2 KEY
No
pin
3 +5V
IR
Power
4 GND
Ground
5
IRTX
IrDA serial output
6
IRRX
IrDA serial input
JUSBC: USB Card Reader Connector
This connector is for connecting internal USB card reader. You can use a card
reader to read or transfer files and digital images to your computer.
Pin
Signal Name
1 VCC
2 USB-
3 USB+
4 GND
5 KEY
Note:
The JUSBC is shared with one of the USB ports of the I/O back
panel. The USB port is located beside the serial port connectors.
See “I/O Ports” for more information.
Please check the pin assignment of the cable and the USB header on
the mainboard. Make sure the pin assignment will match before plug-
ging in. Any incorrect usage may cause unexpected damage to the
system.
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