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Chapter 2
18
Fast IrDA Infrared Module Connector: SIR
This pin header is used to connect to an IrDA module. The BIOS settings
must be configured to activate the IR function.
Pin Signal
1 +5V
2 --
3 IRRX
4 GND
5 IRTX
KBMS (or CIR) Connector: EXT_KBMS1
The mainboard provides a PS2 pin header to attach a PS2 keyboard and
mouse.
Pin Signal Pin Signal
1 +5V 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
Note:
When the pin header is not in use. Please short pin 3&5, pin 4&6, pin 7&9 and
pin 8&10.
VT8251
CN896
VIA
C7 NanoBGA2
1
4
3
SIR
5