Gigabyte GA-MA785GT-UD3H User Manual page 30

14) SPDIF_IO (S/PDIF In/Out Header)
This header supports digital S/PDIF In/Out. Via an optional S/PDIF In and Out cable, this header can
connect to an audio device that supports digital audio out and an audio system that supports digital au-
dio in. For purchasing the optional S/PDIF In and Out cable, please contact the local dealer.
15) F_USB1/F_USB2/F_USB3 (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.
• 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.
Hardware Installation
6 5
2 1
10 9
2 1
- 30 -
Pin No. Definition
1 Power
2 No Pin
3 SPDIF
4 SPDIFI
5 GND
6 GND
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