Locating connectors on the rear of the computer, Locating, Connectors – Lenovo ThinkCentre M55 User Manual
Page 11: Rear, Computer
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Locating
connectors
on
the
rear
of
the
computer
1
Power
supply
diagnostic
LEDs
9
Serial
connector
(COM
2)
(some
models)
2
Voltage
selection
switch
10
USB
connectors
(8)
3
Power
connector
11
Ethernet
connector
4
Audio
line
out
connector
12
PCI
Express
x16
adapter
connector
5
Audio
line
in
connector
13
PCI
Express
x1
adapter
connector
6
VGA
monitor
connector
14
PCI
adapter
connector
7
Parallel
connector
15
PCI
adapter
connector
8
Serial
connector
(COM
1)
Chapter
1.
Locations
3
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