Lenovo System x3250 M4 Installation And Service Manual page 424

2. Check IBM support site for any applicable service bulletin or UEFI or adapter firmware update
that applies to this error. NOTE: It may be necessary to disable unused option ROMs from UEFI
F1 setup or ASU or using adapter manufacturer utilities so that adapter firmware can be updated.
3. Move card to a different slot. If slot not available or error re-occurs, replace adapter.
4. (Trained Service technician only) If adapter was moved to a different slot and error did not
re-occur, verify that this is not a system limitation and then replace the system board. Also, if
this is not the initial installation and the error persists after adapter replacement, replace system
board.
• I.3818001 [I.3818001] The firmware image capsule signature for the currently booted flash bank
is invalid.
Explanation: Current Bank CRTM Capsule Update Signature Invalid
Severity
Info
User Response
Complete the following steps:
1. Reboot system. Will come up on backup UEFI image. Reflash the primary UEFI image.
2. If error does not persist no additional recovery action is required.
3. If error persists, or boot is unsuccessful, (Trained service technician only) Replace the system
board.
• I.3818002 [I.3818002] The firmware image capsule signature for the non-booted flash bank is
invalid.
Explanation: Opposite Bank CRTM Capsule Update Signature Invalid
Severity
Info
User Response
Complete the following steps:
1. Reflash backup UEFI image.
2. If error does not persist no additional recovery action is required.
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.
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Lenovo System x3250 M4 Installation and Service Guide