Lenovo ThinkCentre M51e (English) User guide - Page 24

Locating, connectors, computer

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Locating the connectors on the rear of your computer The following illustration shows the locations of the connectors on the rear of the computer. 1 Diagnostic LEDs 2 Voltage selection switch 3 Power connector 4 Audio line in connector 5 Audio line out connector 6 Microphone connector 7 Serial connector 8 Parallel connector 9 VGA monitor connector 10 USB connectors 11 USB connectors 12 Keyboard connector 13 PCI Express x16 adapter connector (some models) 14 PCI adapter connector 15 PCI adapter connector 16 PCI Express x1 adapter connector 17 Mouse connector 18 Ethernet connector 19 Serial connector (some models) Note: Some connectors on the rear of the computer are color-coded to help you determine where to connect the cables on your computer. 8 User Guide

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Locating
the
connectors
on
the
rear
of
your
computer
The
following
illustration
shows
the
locations
of
the
connectors
on
the
rear
of
the
computer.
±1²
Diagnostic
LEDs
±11²
USB
connectors
±2²
Voltage
selection
switch
±12²
Keyboard
connector
±3²
Power
connector
±13²
PCI
Express
x16
adapter
connector
(some
models)
±4²
Audio
line
in
connector
±14²
PCI
adapter
connector
±5²
Audio
line
out
connector
±15²
PCI
adapter
connector
±6²
Microphone
connector
±16²
PCI
Express
x1
adapter
connector
±7²
Serial
connector
±17²
Mouse
connector
±8²
Parallel
connector
±18²
Ethernet
connector
±9²
VGA
monitor
connector
±19²
Serial
connector
(some
models)
±10²
USB
connectors
Note:
Some
connectors
on
the
rear
of
the
computer
are
color-coded
to
help
you
determine
where
to
connect
the
cables
on
your
computer.
8
User
Guide