Specifications

23
Installing the Motherboard
Please make sure that the USB cable has the same pin assignment as
indicatged above. A different pin assignment may cause damage or system
hang-up.
F_USB1/2: Front Panel USB header
The motherboard has four USB ports installed on the rear edge I/O port array. Additionally,
some computer cases have USB ports at the front of the case. If you have this kind of case,
use auxiliary USB connector to connect the front-mounted ports to the motherboard.
IRDA: Infrared port
The motherboard supports an Infrared (IRDA) data port. Infrared ports allow the wireless
exchange of information between your computer and similarly equipped devices such as
printers, laptops, Personal Digital Assistants (PDAs), and other computers.
COM2: Onboard serial port connector
Connect a serial port extension bracket to this header to add a second serial port to your
system.
1 USB DUAL VCC Front Panel USB Power
2 USB DUAL VCC Front Panel USB Power
3 USBP4- USB Port 0 Negative Signal
4 USBP5- USB Port 1 Negative Signal
5 USBP4+ USB Port 0 Positive Signal
6 USBP5+ USB Port 1 Positive Signal
7 GND Ground
8 GND Ground
9 Key No pin
10 USBOC45# Overcurrent signal
Pin Signal Name Function
1 Not assigned Not assigned
2 KEY No pin
3 +5V IR Power
4 GND Ground
5 IRTX IrDA serial output
6 IRRX IrDA serial output
Pin Signal Name Function
1 DCDB Data Carrier Detect
2 SINB Serial Input
3 SOUTB UART B Serial Output
4 DTRB UART B Data Terminal Ready
5 GND Ground
6 DSRB Data Set Ready
7 RTSB RART B Request to Send
8 CTSB Clear to Send
9 RI Ring Indicator
10 Key No pin
Pin Signal Name Function