Lenovo ThinkCentre M51e (English) User guide - Page 27

Locating, components, Identifying, parts, system, board

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Locating components The following illustration will help you locate the various components in your computer. 1 Optical drive 2 Memory modules 3 Power supply 4 Hard disk drive 5 PCI adapter connector 6 Optional PCI adapter 7 System board 8 Speaker 9 Diskette drive Identifying parts on the system board The system board (sometimes called the planar or motherboard) is the main circuit board in your computer. It provides basic computer functions and supports a variety of devices that are factory-installed or that you can install later. Chapter 1. Installing options 11

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Locating
components
The
following
illustration
will
help
you
locate
the
various
components
in
your
computer.
±1²
Optical
drive
±6²
Optional
PCI
adapter
±2²
Memory
modules
±7²
System
board
±3²
Power
supply
±8²
Speaker
±4²
Hard
disk
drive
±9²
Diskette
drive
±5²
PCI
adapter
connector
Identifying
parts
on
the
system
board
The
system
board
(sometimes
called
the
planar
or
motherboard
)
is
the
main
circuit
board
in
your
computer.
It
provides
basic
computer
functions
and
supports
a
variety
of
devices
that
are
factory-installed
or
that
you
can
install
later.
Chapter
1.
Installing
options
11