IBM 9228 User Guide - Page 63

guidelines

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DIMM 8 DIMM 7 DIMM 6 DIMM 5 DIMM 4 DIMM 3 DIMM 2 DIMM 1 To install a DIMM, complete the following steps: 1. Read the safety information that begins on page v and "Installation guidelines" on page 29. 2. Turn off the computer and all attached devices (see "Turning off the computer" on page 18); then, disconnect all power cords and external cables. 3. Remove the side cover (see "Removing the side cover" on page 35). 4. For easier access, lay the computer on its side. 5. Lift the power supply handle and rotate the power supply handle out of the chassis. 6. Press and hold the drive-cage release lever; then, rotate the drive cage completely out of the chassis until the retaining tab on top of the cage locks into place. 7. Locate the DIMM connectors on the system board. Determine the connectors into which you will install the DIMMs. DIMM 1 and DIMM 3 must be the first installed pair, followed by DIMM 5 and DIMM 7, DIMM 2 and DIMM 4, and DIMM 6 and DIMM 8. 8. Gently open the retaining clips and, if necessary, remove any existing DIMM. Attention: To avoid breaking the retaining clips or damaging the DIMM connectors, open and close the clips gently. 9. Touch the static-protective package that contains the DIMM to any unpainted metal surface on the computer. Then, remove the new DIMM from the package. 10. Gently open the retaining clip on each end of the DIMM slot. Turn the DIMM so that the pins align correctly with the connector. Chapter 4. Installing options 51

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DIMM 8
DIMM 7
DIMM 6
DIMM 5
DIMM 4
DIMM 3
DIMM 2
DIMM 1
To
install
a
DIMM,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
v
and
“Installation
guidelines”
on
page
29.
2.
Turn
off
the
computer
and
all
attached
devices
(see
“Turning
off
the
computer”
on
page
18);
then,
disconnect
all
power
cords
and
external
cables.
3.
Remove
the
side
cover
(see
“Removing
the
side
cover”
on
page
35).
4.
For
easier
access,
lay
the
computer
on
its
side.
5.
Lift
the
power
supply
handle
and
rotate
the
power
supply
handle
out
of
the
chassis.
6.
Press
and
hold
the
drive-cage
release
lever;
then,
rotate
the
drive
cage
completely
out
of
the
chassis
until
the
retaining
tab
on
top
of
the
cage
locks
into
place.
7.
Locate
the
DIMM
connectors
on
the
system
board.
Determine
the
connectors
into
which
you
will
install
the
DIMMs.
DIMM
1
and
DIMM
3
must
be
the
first
installed
pair,
followed
by
DIMM
5
and
DIMM
7,
DIMM
2
and
DIMM
4,
and
DIMM
6
and
DIMM
8.
8.
Gently
open
the
retaining
clips
and,
if
necessary,
remove
any
existing
DIMM.
Attention:
To
avoid
breaking
the
retaining
clips
or
damaging
the
DIMM
connectors,
open
and
close
the
clips
gently.
9.
Touch
the
static-protective
package
that
contains
the
DIMM
to
any
unpainted
metal
surface
on
the
computer.
Then,
remove
the
new
DIMM
from
the
package.
10.
Gently
open
the
retaining
clip
on
each
end
of
the
DIMM
slot.
Turn
the
DIMM
so
that
the
pins
align
correctly
with
the
connector.
Chapter
4.
Installing
options
51