Aopen mx34u 用户手册
![Aopen](https://files.manualsbrain.com/attachments/8123125094416e1162d37866a526fa690451ce40/common/fit/150/50/475464a1f7241d3cdfd019ac591230f79b861a6308c4ac925328898008e1/brand_logo.jpeg)
M
M
X
X
3
3
4
4
-
-
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 4
are two connectors on the PC99 back panel. You can use proper cable to connect other USB connectors to the back panel or
front panel of chassis.
front panel of chassis.
Pin 1
1
+5V
SBD2-
SBD2+
GND
KEY
+5V
SBD3-
SBD3+
GND
NC
SBD3-
SBD3+
GND
NC
U
U
S
S
B
B
2
2
C
C
o
o
n
n
n
n
e
e
c
c
t
t
o
o
r
r
45