Microstar G52-MA00514 manual Serial Port Connector COM a & COM B, Joystick/Midi Connectors

Chapter 2

Serial Port Connector: COM A & COM B

The mainboard offers two 9-pin male DIN connectors for serial port COM A and COM B. The ports are 16550A high speed communication ports that send/receive 16 bytes FIFOs. You can attach a serial mouse or other serial devices directly to them.

		Pin Definition
1 2 3 4 5	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)
6 7 8 9	5	GND	Ground
	6	DSR	Data Set Ready
9-Pin Male DIN Connectors	7	RTS	Request To Send
	8	CTS	Clear To Send
	9	RI	Ring Indicate

Joystick/Midi Connectors

You can connect a joystick or game pad to this connector.

Audio Port Connectors

Line Out is a connector for Speakers or Headphones. Line In is used for external CD player, Tape player, or other audio devices. Mic is a connector for microphones.

1/8” Stereo Audio Connectors

Line Out Line In MIC

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