IBM 88743RU User Guide - Page 50

Hot-swapping, DIMMs

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DIMM Retaining clip 8. Insert the DIMM into the connector by aligning the edges of the DIMM with the slots at the ends of the DIMM connector. 9. 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. 10. Repeat steps 5 through 9 to install the second DIMM in the pair and for each additional pair that you install. 11. Replace the memory card: a. Insert the memory card into the memory card connector. b. Press the memory card into the connector and close the retention levers. If you have other options to install or remove, do so now; otherwise, go to "Completing the installation" on page 47. Hot-swapping DIMMs To hot-swap DIMMs, complete the following steps: 1. Read the safety information that begins on page v and "Installation guidelines" on page 21. Attention: Static electricity that is released to internal server components when the server is powered-on might cause the server to halt, which could result in the loss of data. To avoid this potential problem, always use an electrostatic-discharge wrist strap or other grounding system when working inside the server with the power on. 2. Remove the top cover from the server (see "Removing the cover and bezel" on page 23). Attention: When moving the memory card, do not allow it to touch any components or structures inside the server. Make sure that the memory hot-swap enabled LED is lit. 38 IBM System x3950 Type 8878 and System x3950 E Type 8879: User's Guide

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DIMM
Retaining
clip
8.
Insert
the
DIMM
into
the
connector
by
aligning
the
edges
of
the
DIMM
with
the
slots
at
the
ends
of
the
DIMM
connector.
9.
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.
10.
Repeat
steps
5
through
9
to
install
the
second
DIMM
in
the
pair
and
for
each
additional
pair
that
you
install.
11.
Replace
the
memory
card:
a.
Insert
the
memory
card
into
the
memory
card
connector.
b.
Press
the
memory
card
into
the
connector
and
close
the
retention
levers.
If
you
have
other
options
to
install
or
remove,
do
so
now;
otherwise,
go
to
“Completing
the
installation”
on
page
47.
Hot-swapping
DIMMs
To
hot-swap
DIMMs,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
v
and
“Installation
guidelines”
on
page
21.
Attention:
Static
electricity
that
is
released
to
internal
server
components
when
the
server
is
powered-on
might
cause
the
server
to
halt,
which
could
result
in
the
loss
of
data.
To
avoid
this
potential
problem,
always
use
an
electrostatic-discharge
wrist
strap
or
other
grounding
system
when
working
inside
the
server
with
the
power
on.
2.
Remove
the
top
cover
from
the
server
(see
“Removing
the
cover
and
bezel”
on
page
23).
Attention:
When
moving
the
memory
card,
do
not
allow
it
to
touch
any
components
or
structures
inside
the
server.
Make
sure
that
the
memory
hot-swap
enabled
LED
is
lit.
38
IBM
System
x3950
Type
8878
and
System
x3950
E
Type
8879:
User’s
Guide