User Response
Complete the following steps:
1. No user required for this event. This is for informational purposes only.
• I.580A4 Memory population change detected. DIMM Population Change Detected
Explanation: Memory population change detected. DIMM Population Change Detected
Severity
Info
User Response
Complete the following steps:
1. If you have added or removed DIMMs to the system, and no additional errors were detected,
then please ignore this message.
2. Check system event log for uncorrected DIMM failures and replace those DIMMs.
• I.580A5 Mirror Fail-over complete. DIMM number [arg1] has failed over to to the mirrored copy.
DIMM Mirror Fail-over Detected
Explanation: Mirror Fail-over complete. DIMM number [arg1] has failed over to to the mirrored copy.
DIMM Mirror Fail-over Detected
Severity
Info
User Response
Complete the following steps:
1. Check the system-event log for uncorrected DIMM failures and replace those DIMMs.
• I.580A6 Memory spare copy has completed successfully. Spare Copy Complete
Explanation: Memory spare copy has completed successfully. Spare Copy Complete
Severity
Info
User Response
Complete the following steps:
1. Check system log for related DIMM failures and replace those DIMMs.
• S.1100B CATERR(IERR) has asserted on processor [arg1]. Processor CATERR(IERR) has asserted
Explanation: CATERR(IERR) has asserted on processor [arg1]. Processor CATERR(IERR) has asserted
Severity
Error
User Response
Complete the following steps:
1. Check IBM support site for an applicable service bulletin or UEFI firmware update that applies to
this Processor error.
2. Reboot system. If problem persists escalate to the next level of support.
• S.1100C An uncorrectable error has been detected on processor [arg1]. Uncorrectable processor
error detected
Explanation: An uncorrectable error has been detected on processor [arg1]. Uncorrectable processor
error detected
Severity
Error
Appendix D. UEFI/POST error codes 1933