MSI MS-6551 - Irda Infrared Module Header: IR1

Chapter 2
2-22
IrDA Infrared Module Header: IR1
These connectors allow you to connect to IrDA Infrared modules. You
must configure the setting through the BIOS setup to use the IR function.
Pin Signal
15V
2NC
3RX
4 GND
5TX
IR1 Pin Definition
IR1
1