Gigabyte GA-X79-UD3 User Manual page 30

14) F_USB1/F_USB2/F_USB3 (USB 2.0/1.1 Headers)
The headers conform to USB 2.0/1.1 speciication. Each USB header can provide two USB ports via an
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
15) F_USB30 (USB 3.0/2.0 Header)
The header conforms to USB 3.0/2.0 speciication and can provide two USB ports. For purchasing the
optional 3.5" front panel that provides two USB 3.0/2.0 ports, please contact the local dealer.
When the system is in S4/S5 mode, only the USB ports routed to the F_USB1 header can sup-
port the ON/OFF Charge function.
•
Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB 2.0/1.1 header.
•
Prior to installing the USB bracket, be sure to turn off your computer and unplug the power
cord from the power outlet to prevent damage to the USB bracket.
Hardware Installation
Pin No. Deinition
9 1
10 2
1 11
10 20
Pin No. Deinition Pin No. Deinition
1 VBUS 11
2 SSRX1- 12
3 SSRX1+ 13
4 GND 14
5 SSTX1- 15
6 SSTX1+ 16
7 GND 17
8 D1- 18
9 D1+ 19
10 NC 20
- 30 -
1 Power (5V)
2 Power (5V)
3 USB DX-
4 USB DY-
5 USB DX+
6 USB DY+
7 GND
8 GND
9 No Pin
10 NC
D2+
D2-
GND
SSTX2+
SSTX2-
GND
SSRX2+
SSRX2-
VBUS
No Pin