Lenovo NetVista Hardware Maintenance Manual (HMM) for NetVista 2292, 6343, 634 - Page 45

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Identifying parts on the system board The system board, also 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. See the following illustration for the location of parts on the system board. 1 Microprocessor 2 DIMM connectors (1, 2, 3 left to right) 3 Front panel connector 4 Power connector 5 Diskette drive connector 6 Primary IDE connector 7 Secondary IDE connector 8 Clear CMOS/Recovery jumper 9 Battery 10 SCSI LED connector 11 PCI slots 12 Front panel audio connector 13 CD-ROM audio connector 14 AGP slot 15 12V Power connector Removing the cover Important Read before removing the cover read "Safety information" on page 187 and "Handling electrostatic discharge-sensitive devices" on page 190. To remove the cover: 1. Shut down your operating system, remove any media (diskettes, CDs, or tapes) from the drives, and turn off all attached devices and the computer. 2. Unplug all power cords from electrical outlets. Chapter 6. Replacing FRUs 39

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Identifying
parts
on
the
system
board
The
system
board,
also
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.
See
the
following
illustration
for
the
location
of
parts
on
the
system
board.
±1²
Microprocessor
±9²
Battery
±2²
DIMM
connectors
(1,
2,
3
left
to
right)
±10²
SCSI
LED
connector
±3²
Front
panel
connector
±11²
PCI
slots
±4²
Power
connector
±12²
Front
panel
audio
connector
±5²
Diskette
drive
connector
±13²
CD-ROM
audio
connector
±6²
Primary
IDE
connector
±14²
AGP
slot
±7²
Secondary
IDE
connector
±15²
12V
Power
connector
±8²
Clear
CMOS/Recovery
jumper
Removing
the
cover
Important
Read
before
removing
the
cover
read
“Safety
information”
on
page
187
and
“Handling
electrostatic
discharge-sensitive
devices”
on
page
190.
To
remove
the
cover:
1.
Shut
down
your
operating
system,
remove
any
media
(diskettes,
CDs,
or
tapes)
from
the
drives,
and
turn
off
all
attached
devices
and
the
computer.
2.
Unplug
all
power
cords
from
electrical
outlets.
Chapter
6.
Replacing
FRUs
39