Lenovo ThinkCentre M55e User Manual - Page 45
Identifying, parts, system, board - motherboard
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4. Slide the drive bay assembly forward until the drive bay assembly is aligned with the two slots on the sides of the chassis and remove the drive cables from the system board. Then pull upward on the handle 1 to remove the drive bay assembly completely from the computer. 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. Chapter 3. Installing options 25
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4.
Slide
the
drive
bay
assembly
forward
until
the
drive
bay
assembly
is
aligned
with
the
two
slots
on
the
sides
of
the
chassis
and
remove
the
drive
cables
from
the
system
board.
Then
pull
upward
on
the
handle
±1²
to
remove
the
drive
bay
assembly
completely
from
the
computer.
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.
Chapter
3.
Installing
options
25