Aopen ax4t533pro 用户手册
A
A
X
X
4
4
T
T
-
-
5
5
3
3
3
3
P
P
r
r
o
o
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
T
T
h
h
e
e
2
2
n
n
d
d
a
a
n
n
d
d
3
3
r
r
d
d
U
U
S
S
B
B
2
2
.
.
0
0
P
P
o
o
r
r
t
t
This motherboard provides 6
are two connectors on the PC99 back panel. You can use proper cable to connect others USB connectors to the back plane or
front panel of chassis.
front panel of chassis.
Pin 1
Pin 1
NC
GND
SBD3+
SBD3-
KEY
GND
SBD2+
SBD2-
1
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