IBM 72335LU Installation Guide - Page 30

Installing, memory

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DIMM Retaining clip 10. Insert the DIMM into the connector by aligning the edges of the DIMM with the slots at the ends of the DIMM connector. Firmly press one end of the DIMM into the connector; then, press the other end into the connector. The retaining clips snap into the locked position when the DIMM is seated in the connector. If there is a gap between the DIMM and the retaining clips, the DIMM has not been correctly inserted; open the retaining clips, remove the DIMM, and then reinsert it. If you have other devices to install or remove, do so now. Otherwise, go to "Completing the installation" on page 26. Installing a memory card At least one memory card with one pair of DIMMs must be installed in the server to operate correctly. To install a memory card, complete the following steps: 1. Read the safety information that begins on page v and "Installation guidelines" on page 9. 2. If you are not hot-adding the memory card, turn off the server and peripheral devices, and disconnect the power cords and all external cables as necessary to replace the device. 3. Remove the server cover. Attention: When you move the memory card, do not allow it to touch any components or structures inside the server. 4. Make sure that the retention levers on the edge of the memory card are fully open, and insert the memory card into the memory-card connector on the microprocessor board. 5. Press the memory card into the connector and close the small retention lever. 6. Wait 2 seconds and close the large retention lever. 7. Slide the orange release latch to the locked position. 18 IBM System x3850 M2 and System x3950 M2 Type 7141: Installation Guide

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DIMM
Retaining
clip
10.
Insert
the
DIMM
into
the
connector
by
aligning
the
edges
of
the
DIMM
with
the
slots
at
the
ends
of
the
DIMM
connector.
Firmly
press
one
end
of
the
DIMM
into
the
connector;
then,
press
the
other
end
into
the
connector.
The
retaining
clips
snap
into
the
locked
position
when
the
DIMM
is
seated
in
the
connector.
If
there
is
a
gap
between
the
DIMM
and
the
retaining
clips,
the
DIMM
has
not
been
correctly
inserted;
open
the
retaining
clips,
remove
the
DIMM,
and
then
reinsert
it.
If
you
have
other
devices
to
install
or
remove,
do
so
now.
Otherwise,
go
to
“Completing
the
installation”
on
page
26.
Installing
a
memory
card
At
least
one
memory
card
with
one
pair
of
DIMMs
must
be
installed
in
the
server
to
operate
correctly.
To
install
a
memory
card,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
v
and
“Installation
guidelines”
on
page
9.
2.
If
you
are
not
hot-adding
the
memory
card,
turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cords
and
all
external
cables
as
necessary
to
replace
the
device.
3.
Remove
the
server
cover.
Attention:
When
you
move
the
memory
card,
do
not
allow
it
to
touch
any
components
or
structures
inside
the
server.
4.
Make
sure
that
the
retention
levers
on
the
edge
of
the
memory
card
are
fully
open,
and
insert
the
memory
card
into
the
memory-card
connector
on
the
microprocessor
board.
5.
Press
the
memory
card
into
the
connector
and
close
the
small
retention
lever.
6.
Wait
2
seconds
and
close
the
large
retention
lever.
7.
Slide
the
orange
release
latch
to
the
locked
position.
18
IBM
System
x3850
M2
and
System
x3950
M2
Type
7141:
Installation
Guide