Lenovo 81713GU User Manual - Page 29

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

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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
IBM-installed
or
that
you
can
install
later.
The
following
illustration
shows
the
locations
of
parts
on
the
system
board.
±1²
Fan
connectors
(2)
±8²
Diskette
drive
connector
±2²
Memory
DIMM
connectors
(2)
±9²
Power
button
and
front
LED
assembly
connector
±3²
SATA
IDE
hard
disk
drive
connectors
(2)
±10²
Power
supply
connector
±4²
Riser
connector
±11²
PATA
Primary
IDE
connector
(hard
disk
drive
and
CD-ROM
drive)
±5²
CMOS
Battery
±12²
Power
supply
connector
±6²
Clear
CMOS/BIOS
recovery
jumper
±13²
Microprocessor
±7²
Internal
speaker
connector
Chapter
2.
Installing
options
15