MSI ATX Motherboard G52-MA00362 - Manual (Page 36)

Chapter 2
2-24
IrDA Infrared Module Connector: IR1 & IR2 (optional)
These connectors allow you to connect to IrDA Infrared modules.
You must configure the setting through the BIOS setup to use the IR
function. The difference between IR1 & IR2 is that IR2 is compliant to
Intel Front Panel I/O Connectivity Design Guide.
PIN SIGNAL
1 VCC
2 N C
3 IRRX
4 GND
5 IRTX
IR1 Pin Definition
IR2
1 2
5 6
1
5
IR1
1 Not assigned
2 N C
3 VCC
4 GND
5 IRTX
6 IRRX
PIN SIGNAL
IR2 Pin Definition