v
You
do
not
have
to
save
new
configuration
information
when
installing
or
removing
DIMMs.
The
only
exception
is
if
you
replace
a
faulty
DIMM
that
was
marked
as
Disabled
in
the
Memory
Settings
menu.
In
this
case,
you
must
re-enable
that
memory
row
in
the
Configuration/Setup
Utility
program
or
reload
the
default
memory
settings.
See
the
User’s
Guide
on
the
IBM
xSeries
Documentation
CD
for
more
information.
v
When
you
restart
the
server
after
adding
or
removing
a
DIMM,
the
server
displays
a
message
that
the
memory
configuration
has
changed.
The
following
illustration
shows
how
to
install
a
pair
of
DIMMs
on
the
system
board.
DIMM 8
DIMM 7
DIMM 6
DIMM 5
DIMM 4
DIMM 3
DIMM 2
DIMM 1
Complete
the
following
steps
to
install
a
pair
of
DIMMs:
1.
Read
the
safety
information
beginning
on
page
v
and
“Installation
guidelines”
on
page
11.
2.
Turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cords
and
all
external
cables.
Remove
the
cover
and
air-baffle
assembly.
Attention:
To
avoid
breaking
the
retaining
clips
or
damaging
the
DIMM
connectors,
open
and
close
the
clips
gently.
3.
Open
the
retaining
clip
on
each
end
of
the
DIMM
connector.
4.
Touch
the
static-protective
package
containing
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.
7.
Repeat
steps
1
through
6
for
the
second
DIMM;
then,
continue
to
step
8.
If
you
are
replacing
a
single
DIMM,
continue
to
step
8.
8.
If
you
have
other
options
to
install
or
remove,
do
so
now.
9.
Replace
the
air-baffle
assembly
and
cover.
Go
to
“Completing
the
installation”
on
page
45.
34
xSeries
236
Type
8841:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
Summary of Contents for 884155U
Page 1: ...xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
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Page 173: ...Appendix B Safety information 163...
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Page 189: ...Appendix B Safety information 179...
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Page 191: ...Appendix B Safety information 181...
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