GIGABYTE GA-MA790XT-UD4P - Manual (Page 31)

Hardware Installation - 31 -
16) F_USB1/F_USB2 (USB Headers)
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.
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
•
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.
10
9
2
1
17) F_1394 (IEEE 1394a Header)
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 contact the local dealer.
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 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 securely connected.
10
9
2
1