22
Installing the Motherboard
USB1/2/3: Front Panel USB headers
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.
1 USBPWR Front Panel USB Power
2 USBPWR Front Panel USB Power
3 USB_FP_P0- USB Port 0 Negative Signal
4 USB_FP_P1- USB Port 1 Negative Signal
5 USB_FP_P0+ USB Port 0 Positive Signal
6 USB_FP_P1+ USB Port 1 Positive Signal
7 GND Ground
8 GND Ground
9 Key No pin
10 USB_FP_OC0 Overcurrent signal
Pin Signal Name Function
IR1: Infrared header
The motherboard supports an Infrared (IR1) 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.
Pin Signal Name Function
1 NC 2 KEY
3 VCC 5 4 Ground
5 IRTX 6 IRRX
Pin Signal Name
Pin Signal Name
CD_IN1: Analog Audio Input connector
Pin Signal Name Function
1 CD_Right CD In right channel
2 GND Ground
3 GND Ground
4 CD_Left CD In left channel