Lenovo 8157 Manuel D’Utilisation
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
Memory
connector
1
9
Diskette
drive
connector
2
Memory
connector
2
10
Front
panel
connector
3
SATA
IDE
connectors
(2)
11
Power
supply
connector
4
Chassis
intrusion
switch
12
PATA
primary
IDE
connector
5
PCI
riser
connector
13
12v
power
connector
6
Battery
14
Microprocessor
7
Clear
CMOS/Recovery
jumper
15
Fan
connector
2
8
Internal
speaker
connector
16
Fan
connector
1
Chapter
1.
Installing
options
13