45
M
M
K
K
7
7
7
7
M
M
/
/
M
M
K
K
7
7
7
7
M
M
I
I
I
I
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
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
(
(
M
M
K
K
7
7
7
7
M
M
I
I
I
I
o
o
n
n
l
l
y
y
)
)
This motherboard provides six
2.0 ports to connect USB devices, such as mouse, keyboard, modem, printer, etc. There are
two connectors on the PC99 back panel. You can use proper cables to connect the other USB connectors to the USB modules
or front panel of chassis.
USB2 and USB3 Connector
Pin 1
1
+5V
SBD2-
SBD2+
GND
KEY
+5V
SBD3-
SBD3+
GND
NC
Note:
Please note that if you would like to use
USB devices (Example: keyboard, mouse.etc.)
under DOS environment, you must install driver
comes with the devices to make it work.
