Irda Infrared Module Header: Ir1 - MSI MS-6555 Manual

Chassis Intrusion Switch Connector: JCASE (Optional)
This connector is connected to 2-pin connector chassis switch. If the
Chassis is open, the switch will be short. The system will record this status. To
clear the warning, you must enter the BIOS settting and clear the status.
JCASE

IrDA Infrared Module Header: IR1

The connector allows you to connect to IrDA Infrared module. You must
configure the setting through the BIOS setup to use the IR function.
IR1 Pin Definition
1
5
IR1
2-17
Hardware Setup
PIN SIGNAL
1 VCC
2 NC
3 IRRX
4 GND
5 IRTX