Dell PERC13 and PERC12 User’s Guide PERC H975 Series and PERC H965 Series cards

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Cache preservation with non–volatile cache

The Non–Volatile Cache (NVC) allows controller cache data to be stored indefinitely. If the controller has data in the cache memory during a power outage or improper system shutdown, little power from the Energy Pack is used to transfer the cache data to nonvolatile flash storage where it remains until power is restored and the system is started. If the cache preservation process is interrupted by power-on, the controller may request an extra reset during the boot to complete the process.

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