Flash backed DRAM module with a selectable number of flash...

Details Flash backed DRAM module with a selectable number of flash... Flash backed DRAM module with a selectable number of flash...

2011-07-19

2011-07-19

Hoang, Huan (Department: 2827)

Static information storage and retrieval

Powering

Data preservation

C365S189170, C365S189200, C365S189050, C365S230030, C365S229000

Reexamination Certificate

active

07983107

ABSTRACT:
A memory device for use with a primary power source and a backup power source, includes: volatile memory; an interface for connecting to a backup power source; a plurality of ports, each of which is for receiving a different corresponding non-volatile memory chip; a plurality of interfaces, each of which is for communicating through a different corresponding one of the plurality of ports with any non-volatile memory connected to that port; a controller that is programmed to activate a selectable set of the plurality of interfaces depending on which ports are to receive non-volatile memory chips, wherein said controller is also programmed to react to a loss of power from the primary power source by moving data from the volatile memory through the selected interfaces to whatever non-volatile memory is connected to the selectable set of interfaces.

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International Search Report and Written Opinion for PCT Application No. PCT/US2009/33755.

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