NEC Express5800 Series Maintenance Manual page 44

Chapter 1 Maintenance
6. Restore data to the NVDIMM.
7. Remove the processor and replace it with the previously installed processor type.
 Was the NVDIMM moved?

Perform one of the procedures below.
- To preserve data, install the NVDIMM in the location indicated by the message.
- Sanitize all NVDIMMs indicated by the message. The data on the NVDIMM is not available after
sanitization.
[?] QPI Snoop Configuration error message for NVDIMMs is received and all NVDIMMs on a processor are
disabled

Perform one of the procedures below.
- Change the QPI Snoop Configuration setting to match the previous system.
- Sanitize all NVDIMMs indicated by the error. The data on the NVDIMM is not available after
sanitization.
[?] POST error message or IML message is displayed, and NVDIMMs are disabled in the system (the
NVDIMM-N Memory Interleaving is enabled, then all NVDIMMs on processor X are disabled)
 The NVDIMM was previously being used in a server with NVDIMM-N Memory Interleaving enabled, but is
this server configured for NVDIMM-N Memory Interleaving disabled?

Perform one of the procedures below.
- Change the NVDIMM-N Memory Interleaving setting for the NVDIMM to the same setting for the server
and then, reboot the server. Below is the procedure to change the settings.
- If the NVDIMM was previously installed in a server that had NVDIMM-N Memory Interleaving
enabled, enable NVDIMM-N Memory Interleaving in System Utility.
- Sanitize all NVDIMMs indicated. All data on the NVDIMM will not be available after sanitization.
[?] POST error message or IML message is displayed, and NVDIMMs are disabled in the system (the
NVDIMM-N Memory Interleaving is disabled, then only affected NVDIMMs are disabled)
 The NVDIMM was previously being used in a server with NVDIMM-N Memory Interleaving disabled, but is
this server configured for NVDIMM-N Memory Interleaving enabled?

Perform one of the procedures below.
- Change the NVDIMM-N Memory Interleaving setting for the NVDIMM to the same setting for the server
and then, reboot the server. Below is the procedure to change the settings.
- If the NVDIMM was previously installed in a server that had NVDIMM-N Memory Interleaving disabled,
disable NVDIMM-N Memory Interleaving in System Utility.
- Sanitize all NVDIMMs indicated. All data on the NVDIMM will not be available after sanitization.
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Express5800/R120h-1E, R120h-2E Maintenance Guide
5. Troubleshooting