Lenovo 5457 Installation And Service Manual page 551

3. If the error persists, continue booting system and reflash UEFI image.
4. (Trained service technician only) Replace the system board.
• S.3818007: [S.3818007] The firmware image capsules for both flash banks could not be verified.
[S.3818007] The firmware image capsules for both flash banks could not be verified.
Severity: Error
User Response:
Complete the following steps:
1. If system failed to boot successfully, DC cycle system.
2. If system boots to F1 steup, flash UEFI image and reset bank to primary (if required). If system boots
without error, recovery is complete and no additional action is required.
3. If system fails to boot, or if flash attempt fails, (trained service technician only) replace the system
board.
• S.51003: [S.51003] An uncorrectable memory error was detected in DIMM slot % on rank %.
[S.51003] An uncorrectable memory error was detected in DIMM slot % on rank %.
Severity: Error
User Response:
Complete the following steps:
1. If the node has recently been installed, moved, serviced, or upgraded, verify that the DIMM is
properly seated and visually verify that there is no foreign material in any DIMM connector on that
memory channel. If either of these conditions is found, correct and retry with the same DIMM. (Note:
Event Log may contain a recent 00580A4 event denoting detected change in DIMM population that
could be related to this problem.)
2. If no problem is observed on the DIMM connectors or the problem persists, replace the DIMM
identified by LightPath and/or event log entry.
3. If problem re-occurs on the same DIMM connector, replace the other DIMMs on the same memory
channel.
4. Check IBM Support website for an applicable service bulletin or firmware update that applies to this
memory error.
5. (Trained service technician only) If problem re-occurs on the same DIMM connector, inspect
connector for damage. If found, replace system board.
6. (Trained service technician only) Replace affected Processor.
7. (Trained service technician only) Replace system board.
• S.51006: [S.51006] A memory mismatch has been detected. Please verify that the memory
configuration is valid.
[S.51006] A memory mismatch has been detected. Please verify that the memory configuration is valid.
Severity: Error
User Response:
Complete the following steps:
1. Could follow an uncorrectable memory error or failed memory test. Check log and service that event
first. DIMMs disabled by other errors or actions could cause this event.
2. Verify that the DIMMs are installed in the correct population sequence, according to the service
information for this product.
Appendix B. UEFI/POST diagnostic codes
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