Lenovo System x3650 M4 HD Installation And Service Manual page 972

3. If error persists, or boot is unsuccessful, (Trained service technician only) Replace the system
board.
• I.3818003 [I.3818003] The CRTM flash driver could not lock the secure flash region.
Explanation: CRTM Could not lock secure flash region
Severity
Info
User Response
Complete the following steps:
1. If system failed to boot successfully, DC cycle system.
2. If system boots to F1 setup, 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.
• I.58015 [I.58015] Memory spare copy initiated.
Explanation: Spare Copy Started
Severity
Info
User Response
Complete the following steps:
1. No user required for this event. This is for informational purposes only.
• I.580A4 [I.580A4] Memory population change detected.
Explanation: DIMM Population Change Detected
Severity
Info
User Response
Complete the following steps:
1. Check system event log for uncorrected DIMM failures and replace those DIMMs.
• I.580A5 [I.580A5] Mirror Fail-over complete. DIMM number % has failed over to to the mirrored
copy.
Explanation: 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.
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Lenovo System x3650 M4 HD Installation and Service Guide