General
Memory
Information
Be
sure
to
unplug
the
power
cables
before
removing
or
installing
memory
DIMMs
to
avoid
damage
to
them.
Memory
DIMMs
must
be
installed
in
matched
(size
and
speed)
quads.
Refer
to
“Memory
DIMMs”
on
page
293
for
labeling
of
the
system
backplane
and
instructions
on
memory
DIMM
removal
and
installation.
Do
not,
however,
replace
the
covers
as
directed
while
troubleshooting
this
problem.
Memory
DIMM
quads
can
only
be
installed
in
one
of
the
following
two
memory
DIMM
slot
combinations:
v
1,
3,
6,
and
8
v
2,
4,
5,
and
7
There
is
no
requirement
that
memory
DIMM
slots
1,
3,
6,
and
8
be
populated
before
memory
DIMM
slots
2,
4,
5,
and
7.
Attention:
Go
to
the
service
processor
menus.
In
the
System
Information
Menu,
select
Memory
Configuration/
Deconfiguration
.
Verify
on
the
first
screen
that
memory
repeat
gard
is
disabled.
If
it
is
enabled,
disable
it
for
the
duration
of
this
MAP.
When
exiting
this
MAP
to
go
to
MAP
0410
in
the
RS/6000
Eserver
pSeries
Diagnostic
Information
for
Multiple
Bus
Systems
,
return
the
setting
to
enabled
if
necessary.
Step
1240-1
1.
Turn
off
the
power.
Remove
the
power
cord.
2.
Reseat
the
DIMMs.
3.
Reattach
the
power
cord.
Wait
for
OK
in
the
operator
panel.
4.
Turn
on
the
power.
Attempt
to
boot
to
the
SMS
menus.
(The
system
may
stop
with
an
8-digit
error
code
before
it
reaches
the
SMS
menus.)
5.
Power
down
the
system
using
the
white
button.
After
the
OK
appears
in
the
operator
panel,
look
at
the
memory
configuration/deconfiguration
menu.
Are
any
DIMMs
deconfigured
or
does
the
error
code
recorded
in
“Step
1240-1”
still
appear?
NO
Reseating
the
DIMMs
has
corrected
the
problem.
Enable
memory
repeat
gard
if
necessary.
Go
to
″
MAP
0410:
Repair
Checkout
″
in
the
RS/6000
Eserver
pSeries
Diagnostic
Information
for
Multiple
Bus
Systems
.
YES
If
there
is
only
one
quad
of
DIMMs
on
the
planar,
go
to
“Step
1240-5”
on
page
57.
If
there
are
two
quads
of
DIMMs
on
the
planar,
go
to
“Step
1240-2”
on
page
57.
56
IntelliStation
POWER
9114
Model
275
Service
Guide
Summary of Contents for 9114-275 - IntelliStation POWER 275
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Page 81: ...Yes Go to Step 1321 16 on page 64 Chapter 3 Maintenance Analysis Procedures MAPs 63 ...
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