Gigabyte GA-990FXA-UD3 User Manual page 27

10) F_USB1/F_USB2/F_USB3 (2.0/1.1 USB 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.
11) F_USB30 (USB 3.0/2.0 Header)
The header conforms to USB 3.0/2.0 speciication. The USB header can provide two USB ports. For pur-
chasing 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.
9 1
10 2
1
20
Pin No. Deinition
1 VBUS
2 SSRX1-
3 SSRX1+
4 GND
5 SSTX1-
6 SSTX1+
7 GND
8 D1-
9 D1+
10 NC
- 27 -
Pin No. Deinition
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
10
11
Pin No. Deinition
11 D2+
12 D2-
13 GND
14 SSTX2+
15 SSTX2-
16 GND
17 SSRX2+
18 SSRX2-
19 VBUS
20 No Pin
Hardware Installation