Acer Aspire M3420 Service Manual page 113

Header Name
Chapter 5
Function
Front USB Header
Front USB3.0
Header
Definition
1:NC
2:GND
3:GND
4:GND
5:USB0_XP
6:USB1_XP
7:USB0_XN
8:USB1_XN
9:USBVCC_2
10:USBVCC_2
1:USB PWR
2:RXN1
3:RXP1
4:GND
5:TXN1
6:TXP1
7:GND
8:USB_N1
9:USB_P1
10:OC
11:USB_P2
12:USB_N2
13:GND
14:TXP2
15:TXN2
16:GND
17:RXP2
18:RXN2
19:USB PWR
20:NC
105