Gigabyte GA-Q270M-D3H - Page 17

PinNo. Denition PinNo. Denition
1 VBUS 11 D2+
2 SSRX1- 12 D2-
3 SSRX1+ 13 GND
4 GND 14 SSTX2+
5 SSTX1- 15 SSTX2-
6 SSTX1+
16
GND
7 GND 17 SSRX2+
8 D1- 18 SSRX2-
9 D1+ 19 VBUS
10
NC 20 NoPin
12) F_USB30_1/F_USB30_2 (USB 3.1 Gen 1 Headers)
 TheheadersconformstoUSB3.1Gen1andUSB2.0specicationandcanprovidetwoUSBports.For
purchasingtheoptional3.5"frontpanelthatprovidestwoUSB3.1Gen1ports,pleasecontactthelocal
dealer.
F_USB30
F_U
B_ 
F_  F_ 

_
B
BS_
B
SB_
B
_S

S_
_
B
_U
_
B


 
S  
 
123
 
123
 
123
 
123
1
1
1
1
BSS
S
_S 
SSU
 
1 2 3  
 S3
BSSS

U
 __ 3
F_USB3F
S  _
S  _
S  _
SF


B_
B_
F
_0
S
S
_0F
_F
_
_
__B


U
S  _S
_
USB0_B
B_
F_USB3

10
20 1
11
13) F_USB1/F_USB2 (USB 2.0/1.1 Headers)
 TheheadersconformtoUSB2.0/1.1specication.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. Denition PinNo. Denition
1 Power(5V) 6 USB DY+
2 Power(5V) 7 GND
3 USB DX- 8 GND
4 USB DY- 9 NoPin
5 USB DX+ 10 NC
• DonotplugtheIEEE1394bracket(2x5-pin)cableintotheUSB2.0/1.1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
PinNo. Denition PinNo. Denition
1 NDCD- 6 NDSR-
2 NSIN 7 NRTS-
3 NSOUT 8 NCTS-
4 NDTR- 9 NRI-
5 GND 10 NoPin
14) COMA/COMB (Serial Port Headers)
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.
10
9
2
1
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