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Chapter 2
IrDA Infrared Module Header: JIR1
The connector allows you to connect to IrDA Infrared module. You must
configure the setting through the BIOS setup to use the IR function. JIR1 is
compliant with Intel
JIR1 Pin Definition
Pin
Signal
1
NC
2
NC
3
VCC5
4
GND
5
IRTX
6
IRRX
Chassis Intrusion Switch Connector: J3
This connector is connected to a 2-pin chassis switch. If the chassis is
opened, the switch will be short. The system will record this status and show
a warning message on the screen. To clear the warning, you must enter the
BIOS utility and clear the record. J3 is compliant with Intel
Connectivity Design Guide.
2
GND
1
CINTRU
J3
®
Front Panel I/O Connectivity Design Guide.
2-24
JIR1
6
5
2
1
®
Front Panel I/O
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