NEC Express5800/R120h-2M Maintenance Manual page 45

Chapter 1 Maintenance
- Sanitize all NVDIMMs indicated. All data on the NVDIMM will not be available after sanitization.
[?] POST error message or IML message is displayed, and all NVDIMMs on processor X are disabled.
 Was the NVDIMM previously inserted in a server on which Channel Interleaving was enabled, while Channel
Interleaving is disabled on the current server?

Perform one of the procedures below.
- Change the Channel Interleaving setting in System Utility. Below is the procedure to change the
settings.
-- If the NVDIMM was previously installed in a server that had Channel Interleaving enabled,
enable Channel Interleaving in System Utility.
- Sanitize all NVDIMMs on processor X.
[?] POST error message or IML message is displayed, and all NVDIMMs in the system are disabled
 Are NVDIMMs installed on a server?

Disable Node Interleaving in System Utility.
 Is Advanced Memory Protection set to an option other than Advanced ECC.

Change the setting for Advanced Memory Protection to Advanced ECC.
[?] A POST Error message or an IML message indicating that the Flash Backup Unit (FBU) is not fully
charged will be registered

To continue using the NVDIMMs, do one of the following:
- Change NVDIMM-N Backup Power Policy to Wait for Backup Power on Boot.
- If NVDIMM-N Backup Power Policy is already configured to Wait for Backup Power on Boot, then
reboot the server.
- Wait for the flash backup unit (FBU) to charge sufficiently.
[?] POST error message or IML message is received indicating an unsupported NVDIMM on the system

Replace the NVDIMM with a supported HPE SmartMemory NVDIMM
[?] POST error message or IML message is displayed, and the

Remove the unsupported capacitor pack from the system, and then
[?] POST error message or IML message is displayed indicating that the System Programmable Logic Device
revision in this system does not meet minimum requirements for operation with NVDIMMs

Remove all NVDIMMs from the server.
Express5800/R120h-1M, R120h-2M Maintenance Guide
system halts
install a flash backup unit (FBU).
5. Troubleshooting
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