MSI ATX Mainboard MS-6775 (v1.x) manual Serial Port Connector Coma, RJ-45 LAN Jack Optional

Hardware Setup

Serial Port Connector: COMA

The mainboard offers one 9-pin male DIN connector as serial port COMA. The port is 16550A high speed communication port that sends/receives 16 bytes FIFOs. You can attach a serial mouse or other serial devices directly to the connector.

						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
	6	7	8	9	4	DTR	Data Terminal Ready)
					5	GND	Ground
9-Pin Male DIN Connector
					6	DSR	Data Set Ready
					7	RTS	Request To Send
					8	CTS	Clear To Send
					9	RI	Ring Indicate

RJ-45 LAN Jack (Optional)

The mainboard provides one standard RJ-45 jack for connection to Local Area Network (LAN). You can connect a network cable to the LAN jack.

RJ-45 LAN Jack

Pin Definition

PIN	SIGNAL	DESCRIPTION
1	TDP	Transmit Differential Pair
2	TDN	Transmit Differential Pair
3	RDP	Receive Differential Pair
4	NC	Not Used
5	NC	Not Used
6	RDN	Receive Differential Pair
7	NC	Not Used
8	NC	Not Used

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