IBM HC10 Service Guide - Page 40

Removing, memory, module, Installing

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Page 40 highlights

Removing a memory module The following illustration shows the locations of the DIMM sockets on the system board. DIMM 2 DIMM 4 DIMM 1 DIMM 2 connector DIMM 3 DIMM 4 connector To remove a DIMM, complete the following steps. DIMM Retaining clip 1. Read the safety information that begins vii and "Installation guidelines" on page 13 2. If the blade workstation is installed in a BladeCenter unit, remove it (see "Removing the blade workstation from a BladeCenter unit" on page 16). 3. Remove the blade workstation cover (see "Removing the blade workstation cover" on page 19). 4. Locate the DIMM connectors. 5. Determine which DIMM you want to remove from the blade workstation. Attention: To avoid breaking the retaining clips or damaging the DIMM connectors, handle the clips gently. 6. Move the DIMM retaining clips on the side of the DIMM socket to the open position by pressing the retaining clips away from the center of the DIMM socket. 7. Using your fingers, pull the DIMM out of the DIMM socket. 8. If you are instructed to return the DIMM, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. Installing a memory module When you install memory, you must install a pair of matched DIMMs. Install the DIMMs in the following order: Pair First Second DIMM connectors 1 and 3 2 and 4 24 BladeCenter HC10 Type 7996: Problem Determination and Service Guide

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Removing
a
memory
module
The
following
illustration
shows
the
locations
of
the
DIMM
sockets
on
the
system
board.
DIMM 2
DIMM 1
DIMM 2 connector
DIMM 4
DIMM 3
DIMM 4 connector
To
remove
a
DIMM,
complete
the
following
steps.
DIMM
Retaining clip
1.
Read
the
safety
information
that
begins
vii
and
“Installation
guidelines”
on
page
13
2.
If
the
blade
workstation
is
installed
in
a
BladeCenter
unit,
remove
it
(see
“Removing
the
blade
workstation
from
a
BladeCenter
unit”
on
page
16).
3.
Remove
the
blade
workstation
cover
(see
“Removing
the
blade
workstation
cover”
on
page
19).
4.
Locate
the
DIMM
connectors.
5.
Determine
which
DIMM
you
want
to
remove
from
the
blade
workstation.
Attention:
To
avoid
breaking
the
retaining
clips
or
damaging
the
DIMM
connectors,
handle
the
clips
gently.
6.
Move
the
DIMM
retaining
clips
on
the
side
of
the
DIMM
socket
to
the
open
position
by
pressing
the
retaining
clips
away
from
the
center
of
the
DIMM
socket.
7.
Using
your
fingers,
pull
the
DIMM
out
of
the
DIMM
socket.
8.
If
you
are
instructed
to
return
the
DIMM,
follow
all
packaging
instructions,
and
use
any
packaging
materials
for
shipping
that
are
supplied
to
you.
Installing
a
memory
module
When
you
install
memory,
you
must
install
a
pair
of
matched
DIMMs.
Install
the
DIMMs
in
the
following
order:
Pair
DIMM
connectors
First
1
and
3
Second
2
and
4
24
BladeCenter
HC10
Type
7996:
Problem
Determination
and
Service
Guide