14
AMD A75MATX series motherboard
USB Headers
This motherboard contains two USB 3.0 ports that are exposed on the rear panel
of the chassis (Figure 2). The motherboard also contains one 10-pin internal USB
2.0 header and three 20-pin USB 3.0 connector onboard. The onboard headers are
optional.
Note: Secure the bracket to either the front or rear panel of your chassis (not all
chassis are equipped with the front panel option).
FP_USB1/2/3-Pin Definition
PIN Assignment PIN Assignment
1
VCC
2
VCC
3
USBP0-
4
USBP1-
5
USBP0+
6
USBP1+
7
GND
8
GND
9
KEY
10
NC
FP_USB3_1-Pin Definition
Pin
Signal
Pin
Signal
1
AVBUS
11
BD+
2
ASSRX-
12
BD-
3
ASSRX+
13
GND2
4
GND
14
BSSTX+
5
ASSTX-
15
BSSTX-
6
ASSTX+
16
GND3
7
GND1
17 BSSRX+
8
AD-
18
BSSRX-
9
AD+
19
BVBUS
10
NC
20
KEY
.
.
.
120
240
121
120
240
121
1.5V
1.5V
FP_USB1
1
1
1
FP_USB2 FP_USB3
FP_USB3_1
