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A
X
4
B
/
A
X
4
B
P
A
X
4
B
/
A
X
4
B
P
n
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n
d
S
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p
p
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r
t
2
U
S
B
S
u
p
p
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t
2
U
S
B
This motherboard provides four
are two connectors on the PC99 back panel. You can use proper cable to connect the other USB connector to the back panel or
front panel of chassis.
Pin 1
USB2 Connector
USBPWR0
USB_FP_P0-
USB_FP_P0+
GND
KEY
r
o
r
o
P
o
r
t
P
o
r
t
USB
connectors to connect USB devices, such as mouse, keyboard, modem, printer, etc. There
1
2
USBPWR0
USB_FP_P1-
USB_FP_P1+
GND
USB_FP_OC0
48
O
n
l
i
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e
M
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a
l
O
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e
M
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Troubleshooting
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