MSI 945GM3-F User Guide - Page 34

IrDA Infrared Module Header: JIR1, Serial Port Connector: JCOM2 optional

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Page 34 highlights

MS-7267 Mainboard 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. 65 JIR1 21 Pin Definition Pin Signal 1 IRRX 2 IRTX 3 GND 4 VCC5 5 Key (no pin) 6 NC Serial Port Connector: JCOM2 (optional) The mainboard provides one 9-pin header as serial port. 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. 12 JCOM2 9 Pin Definition PIN SIGNAL 1 DCD 2 SIN 3 SOUT 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 RI DESCRIPTION Data Carry Detect Serial In or Receive Data Serial Out or Transmit Data Data Terminal Ready Ground Data Set Ready Request To Send Clear To Send Ring Indicate 2-18

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MS-7267 Mainboard
2-18
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
1
2
5
6
Serial Port Connector: JCOM2 (optional)
The mainboard provides one 9-pin header as serial port. 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.
PIN
SIGNAL
DESCRIPTION
1
DCD
Data Carry Detect
2
SIN
Serial In or Receive Data
3
SOUT
Serial Out or Transmit Data
4
DTR
Data Terminal Ready
5
GND
Ground
6
DSR
Data Set Ready
7
RTS
Request To Send
8
CTS
Clear To Send
9
RI
Ring Indicate
Pin Definition
JCOM2
1
9
2
Pin
Signal
1
IRRX
2
IRTX
3
GND
4
VCC5
5
Key (no pin)
6
NC
Pin Definition