User`s manual

Chapter 2
20
Fast IrDA Infrared Module Connector: FIR
This connector is used to connect to an IrDA module. The BIOS settings
must be configured to activate the IR function.
Pin Signal Description
1 +5V VCC
2 IRRX1 FIR/SIR Data Receive
3 IRRX SIR Data Receive
4 GND Ground
5 IRTX FIR/SIR Data Transmit
1
1
FIR
CIR/KBMS
Consumer Infrared Module / PS2 Header: CIR / EXT_KBMS
When the header is not in use, short pin 3 & 5, pin 4 & 6, pin 7 & 9, and pin
8 & 10.
Pin Signal Pin Signal
1 +5VDUAL 2 GND
3 KB_CLK 4 KB_DATA
5 EXT_KBCLK 6 EXT_KBDATA
7 MS_CLK 8 MS_DATA
9 EXT_MSCLK 10 EXT_MSDATA