Lenovo ThinkCentre M50e Hardware Maintenance Manual - Page 127

input/output

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Locating the connectors on the rear 1 Power connector 2 Mouse connector 3 Keyboard connector 4 USB connectors 5 Serial connector 6 Parallel connector 7 VGA monitor connector 8 USB connectors 9 Ethernet connector 10 Microphone connector 11 Audio line out connector 12 Audio line in connector 13 AGP slot (some models) 14 PCI slots Removing the cover Important Read Chapter 2, "Safety information," on page 5 and "Handling electrostatic discharge-sensitive devices" on page 8 before removing the cover. 1. Shut down your operating system, remove any media (diskettes, CDs, or tapes) from the drives, and turn off all attached devices and the computer. 2. Unplug all power cords from electrical outlets. 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. 4. Press the cover-release button and slide the cover to the rear to remove. Chapter 10. Replacing FRUs (Types 8084, 8085, 8147, 8148, and 8179 121

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Locating
the
connectors
on
the
rear
±1²
Power
connector
±8²
USB
connectors
±2²
Mouse
connector
±9²
Ethernet
connector
±3²
Keyboard
connector
±10²
Microphone
connector
±4²
USB
connectors
±11²
Audio
line
out
connector
±5²
Serial
connector
±12²
Audio
line
in
connector
±6²
Parallel
connector
±13²
AGP
slot
(some
models)
±7²
VGA
monitor
connector
±14²
PCI
slots
Removing
the
cover
Important
Read
Chapter
2,
“Safety
information,”
on
page
5
and
“Handling
electrostatic
discharge-sensitive
devices”
on
page
8
before
removing
the
cover.
1.
Shut
down
your
operating
system,
remove
any
media
(diskettes,
CDs,
or
tapes)
from
the
drives,
and
turn
off
all
attached
devices
and
the
computer.
2.
Unplug
all
power
cords
from
electrical
outlets.
3.
Disconnect
all
cables
attached
to
the
computer.
This
includes
power
cords,
input/output
(I/O)
cables,
and
any
other
cables
that
are
connected
to
the
computer.
4.
Press
the
cover-release
button
and
slide
the
cover
to
the
rear
to
remove.
Chapter
10.
Replacing
FRUs
(Types
8084,
8085,
8147,
8148,
and
8179
121