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Smart factory reset procedure

A program, equipment technology, applied in the field of smart factory reset program

Pending Publication Date: 2021-12-31
MICRON TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional approaches to factor reset procedures may have one or more drawbacks

Method used

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Examples

Experimental program
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Embodiment Construction

[0015] In some systems, the host system may perform a factory reset procedure. For example, a user may wish to restore a device to a factory state, and a factory reset procedure may be initiated at the host system. In response, the host system can execute a factory reset procedure for the memory system. For example, the host system may remove user data of the memory system and maintain operating system (OS) data, such as an OS image, of the memory system.

[0016] In some cases, the host system can generate an unmap operation with a latency that causes the system to time out by issuing a set of unmap commands for user data (e.g., rather than a single unmap command for a relatively large amount of data) ) to perform or otherwise coordinate the factory reset procedure. The host system may additionally or alternatively issue commands (eg, clear commands) to erase unmapped user data, which may ensure that user data is physically erased from memory for security purposes. However...

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Abstract

The invention relates to a smart factory reset procedure. In accordance with examples as disclosed herein, a memory system may receive one or more commands associated with a reset procedure. The memory system may identify, in response to the one or more commands, a first portion of one or more memory arrays of the memory system as storing user data and a second portion of the one or more memory arrays as storing data associated with an operating system. The memory system may update a mapping of the memory system based on identifying the first portion and the second portion. The memory system may transfer the data associated with the operating system to a third portion of the one or more memory arrays and perform an erase operation on a subset of physical addresses of the set of physical addresses.

Description

[0001] cross reference [0002] This patent application claims priority to U.S. Patent Application Serial No. 16 / 917,510, filed June 30, 2020, by Cariello, entitled "SMART FACTORY RESET PROCEDURE," Said application is assigned to the present assignee and is expressly incorporated herein by reference in its entirety. technical field [0003] The technical field involves smart factory reset procedures. Background technique [0004] Memory devices are widely used to store information in various electronic devices such as computers, wireless communication devices, cameras, digital displays, and the like. Information is stored by programming memory cells within a memory device to different states. For example, a binary memory cell can be programmed to one of two supported states, often corresponding to a logical one or a logical zero. In some examples, a single memory cell can support more than two possible states, any of which the memory cell can store. To access informatio...

Claims

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Application Information

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IPC IPC(8): G11C16/08G11C16/14
CPCG11C16/08G11C16/14G06F12/0246G06F2212/7205G06F12/0253G06F2212/1032G06F12/0292G06F2212/7201G06F12/0891
Inventor G·卡列洛
Owner MICRON TECH INC