Aopen ax3smax Manual Do Utilizador
55
A
A
X
X
3
3
S
S
M
M
a
a
x
x
/
/
A
A
X
X
3
3
S
S
P
P
l
l
u
u
s
s
I
I
I
I
-
-
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
8
8
U
U
S
S
B
B
C
C
o
o
n
n
n
n
e
e
c
c
t
t
o
o
r
r
s
s
This motherboard provides 8
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 other USB connectors to the back panel or
front panel of chassis. By the way, you can use JP34 to disable USB3 and USB4 if you do not need them.
Pin 1
USB3 & 4
USB2 Connector
+5V
SBD2-
SBD2+
GND
KEY
+5V
SBD3-
SBD3+
GND
NC
1 2
Pin 1
Enable
(Default)
Disable
1