Gigabyte GA-Z77X-UD3H - Page 32

- 31 - Hardware Installation
13) F_USB1/F_USB2/F_USB3 (USB 2.0/1.1 Headers)
 
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
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.
G.QBOFM
10
9
2
1
14) F_USB30 (USB 3.0/2.0 Header)
 
optional 3.5" front panel that provides two USB 3.0/2.0 ports, please contact the local dealer.
10 11
201
Pin No. 
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
Pin No.  Pin No. 
1 VBUS 11 D2+
2 SSRX1- 12 D2-
3 SSRX1+ 13 GND
4 GND 14 SSTX2+
5 SSTX1- 15 SSTX2-
6 SSTX1+ 16 GND
7 GND 17 SSRX2+
8 D1- 18 SSRX2-
9 D1+ 19 VBUS
10 NC 20 No Pin