Gigabyte GA-M68SM-S2 User Manual page 28

13) SPDIF_IO (S/PDIF In/Out Header, Red)
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
audio in. For purchasing the optional S/PDIF in and out cable, please contact the local dealer.
14) F_USB1/F_USB2/F_USB3 (USB Headers, Yellow)
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.
GA-M68SM-S2 Motherboard
Pin No.
5 1
6 2
Pin No.
9 1
10 2
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Definition
1 Power
2 No Pin
3 SPDIF
4 SPDIFI
5 GND
6 GND
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