Lenovo a52 8153 Guia Do Utilizador
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