Gigabyte GA-M85M-US2H Manual - Page 30

F_USB1/F_USB2/F_USB3 USB Headers, Yellow, COM Serial Port Header, White

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13) 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. 1 2 9 10 Pin No. 1 2 3 4 5 6 7 8 9 10 Definition Power (5V) Power (5V) USB DXUSB DYUSB DX+ USB DY+ GND GND No Pin 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) COM (Serial Port Header, White) The COM header can provide one serial port via an optional COM port cable. For purchasing the optional COM port cable, please contact the local dealer. 9 1 10 2 Pin No. 1 2 3 4 5 6 7 8 9 10 Definition NDCD NSIN NSOUT NDTR GND NDSR NRTS NCTS NRI No Pin GA-M85M-US2H Motherboard - 30 -

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GA-M85M-US2H Motherboard
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13)
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.
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
14)
COM (Serial Port Header, White)
The COM header can provide one serial port via an optional COM port cable. For purchasing the
optional COM port cable, please contact the local dealer.
Pin No.
Definition
1
NDCD -
2
NSIN
3
NSOUT
4
NDTR -
5
GND
6
NDSR -
7
NRTS -
8
NCTS -
9
NRI -
10
No Pin
10
9
2
1