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