Lenovo 926503U User Manual - Page 42

Identifying, parts, system, board

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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 (some models). 1 Microprocessor fan connector 2 Microprocessor and heat sink 3 Memory connector 1 4 Memory connector 2 5 Clear CMOS/Recovery jumper 6 Power connector 7 Diskette drive connector 8 IDE connector 1 9 IDE connector 2 10 Battery 11 Power fan connector 12 Front panel connector 13 SATA IDE connectors (2) 14 Front panel USB connectors (2) 15 SATA IDE connector (2) 16 PCI adapter connectors 17 Front audio connector 18 CD-IN connector 19 PCI Express x16 graphics adapter connector 20 PCI Express x1 adapter connector 21 System fan connector 22 12v power connector 22 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
(some
models).
±1²
Microprocessor
fan
connector
±12²
Front
panel
connector
±2²
Microprocessor
and
heat
sink
±13²
SATA
IDE
connectors
(2)
±3²
Memory
connector
1
±14²
Front
panel
USB
connectors
(2)
±4²
Memory
connector
2
±15²
SATA
IDE
connector
(2)
±5²
Clear
CMOS/Recovery
jumper
±16²
PCI
adapter
connectors
±6²
Power
connector
±17²
Front
audio
connector
±7²
Diskette
drive
connector
±18²
CD-IN
connector
±8²
IDE
connector
1
±19²
PCI
Express
x16
graphics
adapter
connector
±9²
IDE
connector
2
±20²
PCI
Express
x1
adapter
connector
±10²
Battery
±21²
System
fan
connector
±11²
Power
fan
connector
±22²
12v
power
connector
22
User
Guide