Gigabyte GA-880GMA-USB3 Manual - Page 28

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

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Page 28 highlights

9) 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. Pin No. Definition 1 Power (5V) 2 Power (5V) 9 1 10 2 3 USB DX4 USB DY5 USB DX+ 6 USB DY+ 7 GND 8 GND 9 No Pin 10 NC When the system is in S4/S5 mode, only the USB ports routed to the F_USB1 header can support the ON/OFF Charge function. • 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) COM (Serial Port Header) 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- 9 1 2 NSIN 10 2 3 NSOUT 4 NDTR- 5 GND 6 NDSR- 7 NRTS- 8 NCTS- 9 NRI- 10 No Pin Hardware Installation - 28 -

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Hardware Installation
- 28 -
9)
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.
10
9
2
1
When the system is in S4/S5 mode, only the USB ports routed to the F_USB1 header can sup-
port the ON/OFF Charge function.
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
10) COM (Serial Port Header)
The COM header can provide one serial port via an optional COM port cable. For purchasing the op-
tional COM port cable, please contact the local dealer.
10
9
2
1
Pin No.
Definition
1
NDCD-
2
NSIN
3
NSOUT
4
NDTR-
5
GND
6
NDSR-
7
NRTS-
8
NCTS-
9
NRI-
10
No Pin