AMD GA-K8NSC-939 - Manual (Page 26)

GA-K8NSC-939 Motherboard - 26 -
English
15) 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.
Pin No. Definition
1 Power
2 Power
3 USB DX-
4 USB Dy-
5 USB DX+
6 USB Dy+
7 GND
8 GND
9 No Pin
10 NC
1
2
9
10
16) IR_CIR
Make sure the pin 1 on the IR device is align with pin one the connector. To enable the IR/CIR function,
you are required to purchase an optional IR/CIR module. To use IR function only, please connect IR
module to Pin1 to Pin5. Be careful with the polarity of the IR/CIR connector. Check the pin assignment
carefully while you connect the IR/CIR cable, incorrect connection between the cable and connector will
make the device unable to work or even damage it. For optional IR/CIR cable, please contact your local
dealer.
6 10
1 5
Pin No. Definition
1 Power
2 NC
3 IRRX
4 GND
5 IRTX
6 NC
7 CIRRX
8 +5VSB
(stand by +5V)
9 CIRTX
10 NC