Gigabyte GA-8S648FX-775(-C) User Manual page 24

14) F_ USB1 / F_USB2 (Front USB Connector)
Be careful with the polarity of the front USB connector. Check the pin assignment carefully while
you connect the front USB cable, incorrect connection between the cable and connector will make
the device unable to work or even damage it. For optional front USB cable, please contact your
local dealer.
15) IR
Be careful with the polarity of the IR connector while you connect the IR. Please contact your
nearest dealer for optional IR device.
GA-8S648FX-775(-C) Motherboard
Pin No.
1
2
2 1 0
3
4
1 9 5
6
7
8
9
10
Pin No.
1
2
1
3
4
5
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Definition
Power
Power
USB DX-
USB Dy-
USB DX+
USB Dy+
GND
GND
No Pin
NC
Definition
VCC
No Pin
IR RX
GND
IR TX