IBM HS40 User Guide - Page 42

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v Install only 2.5 V, 184-pin, double-data-rate (DDR), PC2100, registered synchronous dynamic random-access memory (SDRAM) with error correcting code (ECC) DIMMs. These DIMMs must be compatible with the latest PC2100 SDRAM Registered DIMM specification, which is available from http://www.jedec.org/. The following illustration shows how to install DIMMs on the processor board. I/O-board tray DIMM socket DIMDMIMD1MIMD2MIMD3MIMD4MIMD5MIMD6MIM7M 8 I/O tray release Before you begin, read the documentation that comes with the DIMMs. Complete the following steps to install a DIMM: 1. Read the safety information beginning on page vii and "Installation guidelines" on page 21. 2. Shut down the operating system, turn off the blade server, and remove the blade server from the BladeCenter unit. See "Removing the blade server from the BladeCenter unit" on page 22 for instructions. 3. Carefully lay the blade server on a flat, static-protective surface. 4. Open the blade server cover (see "Opening the blade server cover" on page 24 for instructions) and lift it off the blade server. 5. Press the I/O-tray release and rotate the I/O-board tray open, as shown in the illustration. The I/O tray is hinged and will support itself in the open position. 6. Locate the DIMM connectors on the processor board. Determine the connectors into which you will install the DIMMs (see the table on page 27.). 7. Touch the static-protective package that contains the DIMM option to any unpainted metal surface on the BladeCenter unit or any unpainted surface on any other grounded rack component. Then, remove the DIMM from the package. 8. To install the DIMMs, repeat the following steps for each DIMM that you install: a. Turn the DIMM so that the DIMM keys align correctly with the connector on the processor board. Attention: To avoid breaking the retaining clips or damaging the DIMM connectors, handle the clips gently. 28 BladeCenter HS40 Type 8839: Installation and User's Guide

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v
Install
only
2.5
V,
184-pin,
double-data-rate
(DDR),
PC2100,
registered
synchronous
dynamic
random-access
memory
(SDRAM)
with
error
correcting
code
(ECC)
DIMMs.
These
DIMMs
must
be
compatible
with
the
latest
PC2100
SDRAM
Registered
DIMM
specification,
which
is
available
from
The
following
illustration
shows
how
to
install
DIMMs
on
the
processor
board.
DIMM 1
DIMM 2
DIMM 3
DIMM 4
DIMM 5
DIMM 6
DIMM 7
DIMM 8
I/O-board tray
I/O tray release
DIMM socket
Before
you
begin,
read
the
documentation
that
comes
with
the
DIMMs.
Complete
the
following
steps
to
install
a
DIMM:
1.
Read
the
safety
information
beginning
on
page
vii
and
“Installation
guidelines”
on
page
21.
2.
Shut
down
the
operating
system,
turn
off
the
blade
server,
and
remove
the
blade
server
from
the
BladeCenter
unit.
See
“Removing
the
blade
server
from
the
BladeCenter
unit”
on
page
22
for
instructions.
3.
Carefully
lay
the
blade
server
on
a
flat,
static-protective
surface.
4.
Open
the
blade
server
cover
(see
“Opening
the
blade
server
cover”
on
page
24
for
instructions)
and
lift
it
off
the
blade
server.
5.
Press
the
I/O-tray
release
and
rotate
the
I/O-board
tray
open,
as
shown
in
the
illustration.
The
I/O
tray
is
hinged
and
will
support
itself
in
the
open
position.
6.
Locate
the
DIMM
connectors
on
the
processor
board.
Determine
the
connectors
into
which
you
will
install
the
DIMMs
(see
the
table
on
page
27.).
7.
Touch
the
static-protective
package
that
contains
the
DIMM
option
to
any
unpainted
metal
surface
on
the
BladeCenter
unit
or
any
unpainted
surface
on
any
other
grounded
rack
component.
Then,
remove
the
DIMM
from
the
package.
8.
To
install
the
DIMMs,
repeat
the
following
steps
for
each
DIMM
that
you
install:
a.
Turn
the
DIMM
so
that
the
DIMM
keys
align
correctly
with
the
connector
on
the
processor
board.
Attention:
To
avoid
breaking
the
retaining
clips
or
damaging
the
DIMM
connectors,
handle
the
clips
gently.
28
BladeCenter
HS40
Type
8839:
Installation
and
User’s
Guide