MSI Understanding JCOM2 and JUSB2 Connectors in MS-91F7 Manual

MS-91F7

Serial Port Connector: JCOM2

This connector is a 16550A high speed communications port that sends/receives 16 bytes FIFOs. You can attach a serial device to it through the optional serial port bracket.

		PIN	SIGNAL	DESCRIPTION
		1	DCD	Data Carry Detect
		2	SIN	Serial In or Receive Data
2	10	3	SOUT	Serial Out or Transmit Data
		4	DTR	Data Terminal Ready
1	9
		5	GND	Ground
		6	DSR	Data Set Ready
		7	RTS	Request To Send
		8	CTS	Clear To Send
		9	RI	Ring Indicate

Front USB Connector: JUSB1, JUSB2

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

		PIN	SIGNAL	PIN	SIGNAL
		1	VCC	2	VCC
2	10	3	USB0-	4	USB1-
1	9	5	USB0+	6	USB1+
		7	GND	8	GND
		9	KEY	10	NC

USB 2.0 Bracket

(Optional)

2-11