Gigabyte A520M DS3H AC - Page 18

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
11) F_U32(USB3.2Gen1Header)
 TheheaderconformstoUSB3.2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 3.2 Gen 1 ports, please contact the local
dealer.
12) F_USB1(USB2.0/1.1Header)
 Theheaderconforms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
13) 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. 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
10
9
2
1
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 4 5
 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
_
SF_
B 
USB0_B
B_
B_
F_USB3

F_USB303

_

_3U
S_
10
11
1
20
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