Lenovo ThinkCentre E51 User Manual - 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 Microprocessor and heat sink 2 Memory modules 3 AGP adapter or PCI Express x16 adapter graphics connector (some models) 4 PCI connectors 5 PCI adapter 6 Power supply 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
Microprocessor
and
heat
sink
±4²
PCI
connectors
±2²
Memory
modules
±5²
PCI
adapter
±3²
AGP
adapter
or
PCI
Express
x16
adapter
graphics
connector
(some
models)
±6²
Power
supply
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