Gigabyte GA-P55-UD6, User Manual, Page: 34 / 136

- 34 - Hardware Installation
18) F_USB1/F_USB2 (USB Headers, Blue)
The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
19) F_1394 (IEEE 1394a Header, Gray)
The header conforms to IEEE 1394a specification. The IEEE 1394a header can provide one IEEE 1394a
port via an optional IEEE 1394a bracket. For purchasing the optional IEEE 1394a bracket, please con-
tact the local dealer.
10
10
9
9
2
2
1
1
Pin No. Definition
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. Definition
1 TPA+
2 TPA-
3 GND
4 GND
5 TPB+
6 TPB-
7 Power (12V)
8 Power (12V)
9 No Pin
10 GND
•
Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB 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.
•
Do not plug the USB bracket cable into the IEEE 1394a header.
• Prior to installing the IEEE 1394a bracket, be sure to turn off your computer and unplug the
power cord from the power outlet to prevent damage to the IEEE 1394a bracket.
• To connect an IEEE 1394a device, attach one end of the device cable to your computer and
then attach the other end of the cable to the IEEE 1394a device. Ensure that the cable is se-
curely connected.