IBM 849130u User Guide - Page 39

Replacing

Page 39 highlights

4. Touch the static-protective package that contains the DIMM to any unpainted metal surface on the server. Then, remove the DIMM from the package. 5. Turn the DIMM so that the DIMM keys align correctly with the slot. 6. 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 the DIMM straight down into the connector by applying pressure on both ends of the DIMM simultaneously. The retaining clips snap into the locked position when the DIMM is firmly 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 options to install or remove, do so now. Otherwise, go to "Completing the installation" on page 30. Replacing a fan The server comes with five replaceable fans. To replace any of the five replaceable fans, complete the following steps: 1. Read the safety information that begins on page v and "Installation guidelines" on page 17. 2. Turn off the server and peripheral devices, and disconnect the power cord and all external cables. 3. Remove the server from the rack and place it on a flat, non-conductive surface. 4. Remove the cover (see "Removing the cover" on page 18). 5. Reconnect all external cables and the power cord; then, turn on the server. Attention: For proper cooling and airflow, replace the cover before turning on the server. Operating the server for extended periods of time (more than 30 minutes) with the cover removed open might damage server components. 6. Determine which fan to replace by checking the LEDs on the system board (to determine which LED represents which fan, see "System-board LEDs" on page 15); a lit LED indicates the fan to replace. Note: For more information about the LEDs, see the Problem Determination and Service Guide on the IBM xSeries Documentation CD. 7. Turn off the server; then, disconnect the power cord and all external cables again. 8. Remove the failed fan from the server: a. Disconnect the fan cable from the system board. b. Grasp the top of the fan with your index finger and thumb and lift the fan out of the server. Chapter 2. Installing options 27

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4.
Touch
the
static-protective
package
that
contains
the
DIMM
to
any
unpainted
metal
surface
on
the
server.
Then,
remove
the
DIMM
from
the
package.
5.
Turn
the
DIMM
so
that
the
DIMM
keys
align
correctly
with
the
slot.
6.
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
the
DIMM
straight
down
into
the
connector
by
applying
pressure
on
both
ends
of
the
DIMM
simultaneously.
The
retaining
clips
snap
into
the
locked
position
when
the
DIMM
is
firmly
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
options
to
install
or
remove,
do
so
now.
Otherwise,
go
to
“Completing
the
installation”
on
page
30.
Replacing
a
fan
The
server
comes
with
five
replaceable
fans.
To
replace
any
of
the
five
replaceable
fans,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
v
and
“Installation
guidelines”
on
page
17.
2.
Turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cord
and
all
external
cables.
3.
Remove
the
server
from
the
rack
and
place
it
on
a
flat,
non-conductive
surface.
4.
Remove
the
cover
(see
“Removing
the
cover”
on
page
18).
5.
Reconnect
all
external
cables
and
the
power
cord;
then,
turn
on
the
server.
Attention:
For
proper
cooling
and
airflow,
replace
the
cover
before
turning
on
the
server.
Operating
the
server
for
extended
periods
of
time
(more
than
30
minutes)
with
the
cover
removed
open
might
damage
server
components.
6.
Determine
which
fan
to
replace
by
checking
the
LEDs
on
the
system
board
(to
determine
which
LED
represents
which
fan,
see
“System-board
LEDs”
on
page
15);
a
lit
LED
indicates
the
fan
to
replace.
Note:
For
more
information
about
the
LEDs,
see
the
Problem
Determination
and
Service
Guide
on
the
IBM
xSeries
Documentation
CD.
7.
Turn
off
the
server;
then,
disconnect
the
power
cord
and
all
external
cables
again.
8.
Remove
the
failed
fan
from
the
server:
a.
Disconnect
the
fan
cable
from
the
system
board.
b.
Grasp
the
top
of
the
fan
with
your
index
finger
and
thumb
and
lift
the
fan
out
of
the
server.
Chapter
2.
Installing
options
27