IBM G52-72361X2 manual IrDA Infrared Module Header JIR1, Serial Port Connector JCOM1

Hardware Setup

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.

		Pin	Definition
6	5	Pin	Signal
		1	IRRX
		2	IRTX
2	1	3	GND
JIR1		4	VCC5
		5	NC
		6	NC

Serial Port Connector: JCOM1

The mainboard offers one 9-pin male DIN connector COM 1 (on the rear panel), and one optional serial port JCOM1. Both are 16550A high speed communication ports that send/receive 16 bytes FIFOs. You can attach a serial mouse or other serial device directly to them.

10	9		Pin	Definition
		PIN	SIGNAL	DESCRIPTION
		1	DCD	Data Carry Detect
2	1	2	SIN	Serial in or receive data
		3	SOUT	Receive Data Transmit
JCOM1
		4	DTR	Serial out or transmit data
		5	GND	Data
		6	DSR	Data Set Ready
		7	RTS	Request To Send Ring
		8	CTS	Clear To Send
		9	RI	Indicate
		10	X	X

Chassis Intrusion Switch Connector: JCI1

This connector is connected to a 2-pin chassis switch. If the chassis is opened, the switch will be short. The system will record this status and show a warning mes- sage on the screen. To clear the warning, you must enter the BIOS utility and clear the record.

GND CINTRU

2

1

JCI1

2-19