Nvidia MS-7374 - Manual (Page 30)

2-16
M S-7374 M ainboard
PIN SIGNAL PIN SIGNAL
1 VCC 2 VCC
3 USB0- 4 USB1-
5 USB0+ 6 USB1+
7 GND 8 GND
9 Key (no pin) 10 NC
Pin Definition
Important
Note that the pins of VCC and GND must be connected correctly to avoid
possible damage.
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,
M P3 players, printers, modems and the like.
JUSB1 / 2/ 3
USB 2.0 Bracket
(optional)
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 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
5 GND Ground
6 DSR Data Set Ready
7 RTS Request To Send
8 CTS Clear To Send
9 RI Ring Indicate
Pin Definition
JCOM1
2
9
1
1 2
9 10