12) f_usb1/f_usb2 (usb headers), 11) spdif_io (s/pdif in/out header) – GIGABYTE GA-MA78LMT-S2H User Manual
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Hardware Installation
12) 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
11) 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.
Pin No. Definition
1
Power
2
No Pin
3
SPDIF
4
SPDIFI
5
GND
6
GND
6
5
2
1