Thunder i7520 / Thunder i75 20 R Chapter 3: Board Installation
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3.1.12 - Front USB Connector (USB2, USB3 and USB4 )
Front USB Header (USB2)
Function
Pin#
Pin#
Function
Power
1
2
Power
USB2-
3
4
USB3-
USB2+
5
6
USB3+
GND
7
8
GND
Key
9
10
Reserved
USB3 and USB4
(USB Type A Vertical Connectors)
Pin#
Function
1
Power
2
USB-
3
USB+
4
GND