GA-G31M-S2L/S2C Motherboard - 30 -
Pin No. Definition
1 Power (5V)
2 Power (5V)
3 USB DX-
4USB 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.
14) 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.
13) SPDIF_O (S/PDIF Out Header)
This header supports digital S/PDIF out. Via an optional S/PDIF out cable, this header can connect
to an audio device that supports digital audio in. For purchasing the optional S/PDIF out cable,
please contact the local dealer.
1
9
210
1
Pin No. Definition
1 Power
2 SPDIFO
3 GND
Pin 1 (the red wire) of the S/PDIF out cable must align with pin 1 of the SPDIF_O header.
Incorrect connection may render the device unusable or even result in damage to the
device.