Nvidia MS-7374 manual Front USB Connector JUSB1/ JUSB2/ JUSB3, Serial Port Connector JCOM1, 2-16

MS-7374 Mainboard

Front USB Connector: JUSB1/ JUSB2/ JUSB3

This connector, compliant with Intel® I/O Connectivity Design Guide, is ideal for con- necting high-speed USB interface peripherals such as USB HDD, digital cameras, MP3 players, printers, modems and the like.

10 9		Pin Definition
	PIN	SIGNAL	PIN	SIGNAL
	1	VCC	2	VCC
	3	USB0-	4	USB1-
	5	USB0+	6	USB1+
2 1	7	GND	8	GND
JUSB1 / 2/ 3	9	Key(no pin)	10	NC

USB 2.0 Bracket

(optional)

Important

Note that the pins of VCC and GND must be connected correctly to avoid possible damage.

Serial Port Connector: JCOM1

This connector is a 16550A high speed communication port that sends/receives 16 bytes FIFOs. You can attach a serial device.

			Pin Definition
		PIN	SIGNAL	DESCRIPTION
	9	1	DCD	Data Carry Detect
		2	SIN	Serial In or Receive Data
		3	SOUT	Serial Out or Transmit Data
		4	DTR	Data Terminal Ready
2	1	5	GND	Ground
JCOM1		6	DSR	Data SetReady
		7	RTS	Request To Send
		8	CTS	Clear To Send
		9	RI	Ring Indicate

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