Aopen ax4bru 用户手册
37
A
A
X
X
4
4
B
B
R
R
-
-
U
U
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
S
S
u
u
p
p
p
p
o
o
r
r
t
t
2
2
n
n
d
d
U
U
S
S
B
B
P
P
o
o
r
r
t
t
This motherboard provides four
connectors to connect USB devices, such as mouse, keyboard, modem, printer, etc. There
are two connectors on the PC99 back panel. You can use proper cable to connect the other USB connector to the back panel or
front panel of chassis.
front panel of chassis.
USB2 Connector
USBPWR0
USB_FP_P0-
USB_FP_P0+
GND
KEY
USBPWR0
USB_FP_P1-
USB_FP_P1+
GND
NC
USB_FP_P1-
USB_FP_P1+
GND
NC
1 2
Pin 1