Lenovo ThinkCentre A50 Hardware Maintenance Manual - Page 99

Removing, replacing, adapter

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4. Make sure the notch 1 on the new memory module is aligned correctly with the connector key 2 on the socket. Insert the memory module straight down into the connector until it snaps into position and the retaining clips are closed. 5. Go to "Completing the FRU replacement." on page 104. Removing and replacing a PCI adapter This section provides information and instructions for replacing a PCI adapter. 1. Open the cover. See "Opening the cover" on page 90. 2. Pivot the drive bay assembly upward to gain access to the system board. 3. Remove all cables from the cable clip attached to the PCI riser. Chapter 8. Replacing FRUs 93

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4.
Make
sure
the
notch
±1²
on
the
new
memory
module
is
aligned
correctly
with
the
connector
key
±2²
on
the
socket.
Insert
the
memory
module
straight
down
into
the
connector
until
it
snaps
into
position
and
the
retaining
clips
are
closed.
5.
Go
to
“Completing
the
FRU
replacement.”
on
page
104.
Removing
and
replacing
a
PCI
adapter
This
section
provides
information
and
instructions
for
replacing
a
PCI
adapter.
1.
Open
the
cover.
See
“Opening
the
cover”
on
page
90.
2.
Pivot
the
drive
bay
assembly
upward
to
gain
access
to
the
system
board.
3.
Remove
all
cables
from
the
cable
clip
attached
to
the
PCI
riser.
Chapter
8.
Replacing
FRUs
93