2-15
Hardware Setup
PIN SIGNAL PIN SIGNAL
1 VCC 2 VCC
3 USB0- 4 USB1-
5 USB0+ 6 USB1+
7 GND 8 GND
9 Key 10 USBOC
JUSB1/2 Pin Definition
Serial Port Header: COM2 (Optional)
The mainboard offers one 9-pin header as serial port. The port is a 16550A
high speed communication port that sends/receives 16 bytes FIFOs. You can attach
a serial mouse or other serial device directly to it.
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
COM2
1
2
9
9
2
JUSB1/2
1
10
Pin Description Pin Description
1 VCC 2 GND
3 USB0- 4 Key
5 USB0+ 6 USB1+
7 Key 8 USB1-
9 GND 10 VCC
F_USB1/2 Pin Definition
Front USB Connectors: JUSB1/2 or F_USB1/2 (Optional)
The mainboard provides two USB 2.0 pinheaders (optional USB 2.0 Bracket
available). USB 2.0 technology increases data transfer rate up to a maximum throughput
of 480Mbps, which is 40 times faster than USB 1.1, and is ideal for connecting high-
speed USB interface peripherals such as USB HDD, digital cameras, MP3 players,
printers, modems and the like.
MSI Reminds You...
Note that the pins of VCC and GND must be connected correctly to
avoid possible damage.
F_USB1/2
1
9
2
10
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