Acer Veriton X4620G Service Manual page 119

F_USB1~3: Front Panel USB 2.0 header
The motherboard has three USB2.0 headers supporting six USB 2.0 ports. Addition-ally, some computer
cases have USB 2.0 ports at the front of the case. If you havethis kind of case, use auxiliary USB connector to
connect the front-mounted ports tothe motherboard.
Pin
1
2
3
4
5
6
7
8
9
10
NOTE: Please make sure that the USB cable has the same pin assignment asindicated above. A different pin
assignment may cause damage or systemhang-up.
USB3F: Front Panel USB 3.0 header
This Motherboard implements one USB 3.0 header supporting 2 extra front USB 3.0ports, which
delivers 5Gb/s transfer rate.
Pin
1
2
3
4
5
6
7
8
9
10
111
Signal Name
USBPWR
USBPWR
DATA0-
DATA1-
DATA0+
DATA1+
GND
GND
NC
USB DET
Signal Name
USB POWER
SSRX0+
SSRX0-
GND
SSTX0-
SSTX0+
GND
D0-
D0+
NC
Function
Front Panel USB Power
Front Panel USB Power
USB Port 0 Negative Signal
USB Port 1 Negative Signal
USB Port 0 Positive Signal
USB Port 1 Positive Signa
Ground
Ground
Not connected
USB DET
Pin Signal Name
11 D1+
12 D1-
13 GND
14 SSTX1+
15 SSTX1-
16 GND
17 SSRX1+
18 SSRX1-
19 USB POWER
20 KEY
Chapter 5