Firmware protection method applied to memory and memory

CN119311468APending Publication Date: 2025-01-14MAXIO TECHNOLOGY (HANGZHOU) CO LTD
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Patent Information

Application Number
CN202310854455.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-07-12
Publication Date
2025-01-14

AI Technical Summary

Technical Problem

The firmware backup strategy of existing solid-state drives cannot be repaired when data abnormalities occur in all backups, resulting in premature scrapping of the solid-state drive.

Method used

When the firmware of the SSD is booted, detect the backups with missing data and update the remaining backups with the most upgraded backups, correct the number of upgrades of the remaining backups to be consistent with the backups with the most upgraded backups, thus preventing all backups from being damaged.

Benefits of technology

By regularly or irregularly detecting firmware backups, use backups with no missing data and the most upgraded backups to fix missing data or insufficient versions, avoiding all firmware backups to the greatest extent and extending the service life of the SSD.

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Abstract

The invention discloses a firmware protection method applied to a memory and the memory. N backups of the same firmware are stored in a memory, the upgrading frequency of each backup is recorded when upgrading of each backup is completed, and the firmware protection method comprises the steps that every time when the firmware of the memory is started, a first backup with data missing in the N backups is determined; determining a second backup with the highest upgrading frequency in the rest of backups, wherein N is greater than 1; updating the first backup with the second backup; and modifying the upgrading times of the first backup to be equal to the upgrading times of the second backup. According to the firmware protection method, all backups of the same firmware can be prevented from being damaged, and the solid state disk is prevented from being scrapped too early due to the fact that all backups of the same firmware are damaged.
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