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v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v If an action step is preceded by "(Trained technician only)," that step must be performed only by a trained
technician.
v Go to the IBM support website at http://www.ibm.com/supportportal/ to check for technical information, hints,
tips, and new device drivers or to submit a request for information.
Diagnostic
code
Message
W.580A1
[W.580A1] Invalid memory
configuration for Mirror Mode.
Please correct memory
configuration.
W.580A2
[W.580A2] Invalid memory
configuration for Sparing
Mode. Please correct memory
configuration.
I.580A4
[I.580A4] Memory population
change detected.
I.580A5
[I.580A5] Mirror Fail-over
complete. DIMM number % has
failed over to to the mirrored
copy.
I.580A6
[I.580A6] Memory spare copy
has completed successfully.
I.58015
[I.58015] Memory spare copy
initiated.
W.68002
[W.68002] A CMOS battery
error has been detected.
S.68005
[S.68005] An error has been
detected by the IIO core logic
on Bus %. The Global Fatal
Error Status register contains %.
The Global Non-Fatal Error
Status register contains %.
Please check error logs for the
presence of additional
downstream device error data.
Description
Unsupported DIMM Population
for Mirror Mode.
Unsupported DIMM Population
for Spare Mode.
DIMM Population Change
Detected.
DIMM Mirror Fail-over
Detected.
Spare Copy Complete.
Spare Copy Started.
CMOS Battery Fault.
Critical IOH-PCI Error.
Action
1. If a DIMM connector error LED is
lit on the system board, check the
event logs and follow the
procedure for that event and
restart the server.
2. Make sure that the DIMMs have
been installed in the correct
sequence for mirrored channel
mode.
Make sure that the DIMMs have been
installed in the correct sequence for
rank sparing mode.
Information only. Memory has been
added, moved, or changed.
Information only. Memory
redundancy has been lost. Check the
event log for uncorrected DIMM
failure events.
Information only. Memory
redundancy or spare rank has been
lost. Check the event log for
uncorrected DIMM failure events.
No action; information only.
1. Check the IBM support website
for an applicable retain tip or
firmware update that applies to
this memory error.
2. Replace the CMOS battery.
3. (Trained technician only) Replace
the system board.
1. Check the IBM support website
for an applicable retain tip or
firmware update that applies to
this memory error.
2. Replace the following components
one at a time in the order shown,
restarting the server each time:
a. PCI express adapter.
b. (Trained technician only)
System board.
Chapter 4. Troubleshooting
133
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Table of Contents
Troubleshooting
