User Guide

34
D
D
X
X
P
P
N
N
-
-
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
T
T
w
w
o
o
U
U
S
S
B
B
2
2
.
.
0
0
C
C
h
h
a
a
n
n
n
n
e
e
l
l
s
s
(
(
F
F
o
o
u
u
r
r
P
P
o
o
r
r
t
t
s
s
)
)
This motherboard provides two USB channels to link 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.
+5V
SBD2-
SBD2+
GND
KEY
+5V
SBD3-
SBD3+
GND
NC
1 2