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Abstract

Example embodiments include a memory module having a first volatile memory, a second volatile memory, a nonvolatile memory, and a controller configured to control an operation of the second volatile memory, and an operation of the nonvolatile memory. When first write data received from an external controller are written to the first volatile memory in a write operation, the controller receives and writes the first write data to the second volatile memory. The controller is configured to perform backup and restore operations using a buffer, the nonvolatile memory, the first volatile memory, and/or the second volatile memory. Example embodiments include a memory module having a first nonvolatile memory, a second nonvolatile memory, and a third nonvolatile memory, with corresponding backup and restore features. Example embodiments also include methods for processing the data and operating the various components of the memory system.

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First Claim