Aopen ak76f400n 用户手册
47
A
A
K
K
7
7
6
6
F
F
-
-
4
4
0
0
0
0
N
N
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
S
S
i
i
x
x
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 six
USB
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.
Pin 1
USB2 Connector
+5V
SBD3-
SBD3+
GND
NC
+5V
SBD2-
SBD2+
GND
KEY
1