MSI MS-9246 3-12, IPMB Power Connector CN4, pin IPMB Connector CN3, Serial Port Connector COM

Pin Definition

MS-9246 1U Rackmount Server

IPMB Power Connector: CN4

This connector is used to connect the power supply of the IPMB (Intelligent Platform Management Bus).

CN4

1

PIN	SIGNAL
1	SMB clock
2	SMB data
3	PS alert
4	GND
5	3.3RS

5-pin IPMB Connector: CN3

The mainboard provides IPMB (Intelligent Platform Management Bus) connec- tors for users to connect the BMC (Baseboard Management Controller) card.

CN3 Pin Definition

		PIN	SIGNAL
	1
CN3		1	P3V3_AUX
		2	GND
		3	NC
		4	SMBDATA
		5	SMBCLK

Serial Port Connector: COM 2

The mainboard provides one 9-pin header as serial port COM 2. 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.

		9		Pin Definition
8			PIN	SIGNAL	DESCRIPTION
			1	DCD	Data Carry Detect
			2	SIN	Serial In or Receive Data
2		1	3	SOUT	Serial Out or Transmit Data
			4	DTR	Data Terminal Ready
			5	GND	Ground
	COM 2		6	DSR	Data Set Ready
			7	RTS	Request To Send
			8	CTS	Clear To Send
			9	RI	Ring Indicate

3-12