Lenovo ThinkCentre A30 Hardware Maintenance Manual (HMM) for ThinkCentre 2296, - Page 38

Removing, cover, Types

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Type 8316 The following illustration shows the locations of the connectors on the rear of the computer. 1 Serial connector (some models) 2 Mouse connector 3 Parallel connector 4 Ethernet connector 5 Audio line in connector 6 Power connector 7 PCI slots 8 AGP slot (some models) 9 Audio line out connector 10 Microphone connector 11 USB connectors 12 VGA monitor connector 13 Serial connector 14 USB connectors 15 Keyboard connector Note: Some connectors on the rear of the computer are color-coded to help you to determine where to connect the cables on the computer. Removing the cover Important:Read"Safety information" on page 149 and"Handling electrostatic discharge-sensitive devices" on page 152 before removing the cover. Types 2296 and 8434 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. 32 Hardware Maintenance Manual

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Type
8316
The
following
illustration
shows
the
locations
of
the
connectors
on
the
rear
of
the
computer.
±1²
Serial
connector
(some
models)
±9²
Audio
line
out
connector
±2²
Mouse
connector
±10²
Microphone
connector
±3²
Parallel
connector
±11²
USB
connectors
±4²
Ethernet
connector
±12²
VGA
monitor
connector
±5²
Audio
line
in
connector
±13²
Serial
connector
±6²
Power
connector
±14²
USB
connectors
±7²
PCI
slots
±15²
Keyboard
connector
±8²
AGP
slot
(some
models)
Note:
Some
connectors
on
the
rear
of
the
computer
are
color-coded
to
help
you
to
determine
where
to
connect
the
cables
on
the
computer.
Removing
the
cover
Important:
Read“Safety
information”
on
page
149
and“Handling
electrostatic
discharge-sensitive
devices”
on
page
152
before
removing
the
cover.
Types
2296
and
8434
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.
32
Hardware
Maintenance
Manual