Irda Infrared Module Header: Jir1; Serial Port Connector: Jcom1 - MSI 945GZM3 Series User Manual

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
Front Panel I/O Connectivity Design Guide.
JIR1

Serial Port Connector: JCOM1

The mainboard provides one 9-pin header as serial port JCOM1. The port is a 16550A
high speed communication port that sends/receives 16 bytes FIFOs. You can attach
a serial mouse or other serial devices directly to it.
2
1
JCOM1
9
6 5
2 1
PIN
1
2
3
4
5
6
7
8
9
Hardware Setup
Pin Definition
Pin Signal
1 IRRX
2 IRTX
3 GND
4 VCC5
5 NC
6 NC
Pin Definition
SIGNAL DESCRIPTION
DCD Data Carry Detect
SIN Serial In or Receive Data
SOUT Serial Out or Transmit Data
DTR Data Terminal Ready
GND Ground
DSR Data Set Ready
RTS Request T o Send
CTS Clear To Send
RI Ring Indicate
®
2-19