IBM JS20 User Guide - Page 37

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The following illustration shows how to install DIMMs on the system board. DIMM socket 4 (J40) DIMM socket 3 (J32) DIMM socket 2 (J28) DIMM socket 1 (J25) Before you begin, read the documentation that comes with the option. Complete the following steps to install a DIMM: 1. Read the safety information beginning on page v and "Installation guidelines" on page 19. 2. If the blade server is operating, shut down the operating system by typing the shutdown -h now command. If the blade server was not turned off, press the power-control button (behind the blade-server control-panel door) to turn off the blade server. See "The control panel buttons and LEDs" on page 13 for more information about the location of the power-control button. 3. Remove the blade server from the BladeCenter unit. See "Removing the blade server from the BladeCenter unit" on page 21 for instructions. 4. Carefully place the blade server on a flat, static-protective surface. 5. Open the blade server cover. See "Opening the blade server cover" on page 22 for instructions. 6. Locate the DIMM connectors on the system board. Determine the connectors into which you will install the DIMMs. The blade server comes with two 256 MB DIMMs installed in the DIMM 3 (J32) and DIMM 4 (J40) memory connectors. When you install additional DIMMs, be sure to install them as a pair, in DIMM connectors 1 and 2 (J25 and J28). Install the DIMMs in the following order: Pair First Second DIMM connectors 3 and 4 (J32 and J40) 1 and 2 (J25 and J28) 7. Touch the static-protective package that contains the DIMM option to any unpainted metal surface on the BladeCenter chassis 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 system board. Attention: To avoid breaking the retaining clips or damaging the DIMM connectors, handle the clips gently. Chapter 4. Installing options 25

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The
following
illustration
shows
how
to
install
DIMMs
on
the
system
board.
DIMM socket 1 (J25)
DIMM socket 2 (J28)
DIMM socket 3 (J32)
DIMM socket 4 (J40)
Before
you
begin,
read
the
documentation
that
comes
with
the
option.
Complete
the
following
steps
to
install
a
DIMM:
1.
Read
the
safety
information
beginning
on
page
v
and
“Installation
guidelines”
on
page
19.
2.
If
the
blade
server
is
operating,
shut
down
the
operating
system
by
typing
the
shutdown
-h
now
command.
If
the
blade
server
was
not
turned
off,
press
the
power-control
button
(behind
the
blade-server
control-panel
door)
to
turn
off
the
blade
server.
See
“The
control
panel
buttons
and
LEDs”
on
page
13
for
more
information
about
the
location
of
the
power-control
button.
3.
Remove
the
blade
server
from
the
BladeCenter
unit.
See
“Removing
the
blade
server
from
the
BladeCenter
unit”
on
page
21
for
instructions.
4.
Carefully
place
the
blade
server
on
a
flat,
static-protective
surface.
5.
Open
the
blade
server
cover.
See
“Opening
the
blade
server
cover”
on
page
22
for
instructions.
6.
Locate
the
DIMM
connectors
on
the
system
board.
Determine
the
connectors
into
which
you
will
install
the
DIMMs.
The
blade
server
comes
with
two
256
MB
DIMMs
installed
in
the
DIMM
3
(J32)
and
DIMM
4
(J40)
memory
connectors.
When
you
install
additional
DIMMs,
be
sure
to
install
them
as
a
pair,
in
DIMM
connectors
1
and
2
(J25
and
J28).
Install
the
DIMMs
in
the
following
order:
Pair
DIMM
connectors
First
3
and
4
(J32
and
J40)
Second
1
and
2
(J25
and
J28)
7.
Touch
the
static-protective
package
that
contains
the
DIMM
option
to
any
unpainted
metal
surface
on
the
BladeCenter
chassis
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
system
board.
Attention:
To
avoid
breaking
the
retaining
clips
or
damaging
the
DIMM
connectors,
handle
the
clips
gently.
Chapter
4.
Installing
options
25