Table
6.
BMC
test
results
(continued)
Test
Number
Status
Extended
results
Actions
166-902-
xxx
Fail
The
BMC
indicates
a
failure
in
the
memory
card
bus.
1.
Turn
off
the
system
and
disconnect
it
from
power.
The
system
must
be
removed
from
AC
power
in
order
to
reset
the
BMC.
2.
After
45
seconds,
reconnect
the
system
to
power
and
turn
on
the
system.
3.
Run
the
test
again.
4.
Make
sure
that
the
DSA
Diagnostic
code
is
at
the
latest
level.
The
latest
level
DSA
Diagnostic
code
can
be
found
on
the
IBM
Support
Web
site
at
http://www.ibm.com/
support/docview.wss?uid=psg1SERV-DSA/.
5.
Check
BMC
firmware
level
and
upgrade
if
necessary.
The
installed
firmware
level
can
be
found
in
the
DSA
Diagnostic
Event
Log
within
the
Firmware/VPD
section
for
this
component.
The
latest
level
firmware
for
this
component
can
be
found
on
the
IBM
Support
Web
site
athttp://www.ibm.com/support/us/en/.
6.
Run
the
test
again.
7.
If
the
reported
memory
size
is
the
same
as
the
installed
memory
size,
complete
the
following
steps.
Otherwise,
go
to
step
8.
a.
Turn
off
the
system
and
disconnect
it
from
power.
b.
Reseat
all
the
system
DIMMs
within
the
system.
c.
Reconnect
the
system
to
power
and
turn
on
the
system.
d.
Run
the
test
again.
8.
Turn
off
the
system
and
disconnect
it
from
power.
9.
Remove
all
the
system
memory.
10.
Install
the
minimum
memory
configuration
for
the
system.
See
the
QS21
Installation
and
User's
Guide
for
supported
memory
configurations.
11.
Reconnect
the
system
to
power
and
turn
on
the
system.
12.
Make
sure
that
the
reported
memory
size
is
the
same
as
the
installed
memory
size.
13.
Run
the
test
again.
If
the
memory
passes
the
test,
one
of
the
uninstalled
memory
cards
or
DIMMs
is
the
failing
component.
14.
Repeat
steps
8
through
to
13
as
necessary,
using
different
memory
cards
and
DIMMs,
to
isolate
the
failing
component.
It
is
important
to
change
only
one
element
each
time
in
order
to
identify
the
specific
cause
of
the
error.
15.
Replace
the
failing
memory
card
or
DIMM.
Chapter
5.
Diagnostics
and
troubleshooting
65
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