Irda Infrared Module Header: Jir1; Spi Debugging Pin Header: Jspi1; Serial Port Connector: Jcom1 - MSI P965 Neo User Manual

M S-7235 M ainboard

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.
2
1

SPI Debugging Pin Header: JSPI1

The pin header is for internal debugging only.

Serial Port Connector: JCOM1

The mainboard provides one 9-pin header as serial port COM1. 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.
JCOM1
2
1
2-18
JIR1
6
5
1
JSPI1
9
PIN SIGNAL
1 DCD
2 SIN
9
3 SOUT
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Pin Definition
Pin Signal
1 IRRX
2 IRTX
3 GND
4 VCC5
5 NC
6 NC
2
10
Pin Definition
DESCRIPTION
Data Carry Detect
Serial In or Receive Data
Serial Out or Transmit Data
Data Terminal Ready
Ground
Data Set Ready
Request T o Send
Clear To Send
Ring Indicate
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