Lenovo ThinkCentre M52 User Manual - Page 30

Identifying, parts, system, board - motherboard

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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. The following illustration shows the locations of parts on the system board. 1 Diskette drive connector 2 Speaker connector 3 Memory connector 4 4 Memory connector 3 5 Memory connector 2 6 Memory connector 1 7 Front panel I/O connector 8 PATA IDE connector 9 Serial connector 10 SATA connectors 11 Chassis intrusion switch connector 12 Clear CMOS/Recovery jumper 13 Power supply connector 14 PCI Express (x16) graphics adapter connector (some models) 15 PCI Express (x1) adapter connector 16 PCI adapter connector 2 17 PCI adapter connector 1 18 Battery 19 CPU fan connector 20 Microprocessor 21 Microprocessor heat sink 22 12v power connector 14 User Guide

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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.
The
following
illustration
shows
the
locations
of
parts
on
the
system
board.
±1²
Diskette
drive
connector
±12²
Clear
CMOS/Recovery
jumper
±2²
Speaker
connector
±13²
Power
supply
connector
±3²
Memory
connector
4
±14²
PCI
Express
(x16)
graphics
adapter
connector
(some
models)
±4²
Memory
connector
3
±15²
PCI
Express
(x1)
adapter
connector
±5²
Memory
connector
2
±16²
PCI
adapter
connector
2
±6²
Memory
connector
1
±17²
PCI
adapter
connector
1
±7²
Front
panel
I/O
connector
±18²
Battery
±8²
PATA
IDE
connector
±19²
CPU
fan
connector
±9²
Serial
connector
±20²
Microprocessor
±10²
SATA
connectors
±21²
Microprocessor
heat
sink
±11²
Chassis
intrusion
switch
connector
±22²
12v
power
connector
14
User
Guide