Lenovo TC S51-8173 ユーザーズマニュアル
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
IBM-installed
or
that
you
can
install
later.
The
following
illustration
shows
the
locations
of
parts
on
the
system
board.
1
Fan
connectors
(2)
8
Diskette
drive
connector
2
Memory
DIMM
connectors
(2)
9
Power
button
and
front
LED
assembly
connector
3
SATA
IDE
hard
disk
drive
connectors
(2)
10
Power
supply
connector
4
Riser
connector
11
PATA
Primary
IDE
connector
(hard
disk
drive
and
CD-ROM
drive)
5
CMOS
Battery
12
Power
supply
connector
6
Clear
CMOS/BIOS
recovery
jumper
13
Microprocessor
7
Internal
speaker
connector
Chapter
2.
Installing
options
15