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A method, device, equipment and storage medium for repairing DDR physical damage

A technology of physical damage and memory, applied in the computer field, can solve the problems of high cost and low efficiency of repairing DDR physical damage, and achieve the effect of saving repair cost, improving repair efficiency, and improving user experience

Active Publication Date: 2022-04-15
SHANGHAI CHUANGGONG COMM TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a method, device, device and storage medium for repairing DDR physical damage, which are used to solve the technical problems of low efficiency and high cost of repairing DDR physical damage in the prior art

Method used

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  • A method, device, equipment and storage medium for repairing DDR physical damage
  • A method, device, equipment and storage medium for repairing DDR physical damage
  • A method, device, equipment and storage medium for repairing DDR physical damage

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specific Embodiment approach

[0091] As an optional implementation, in the specific implementation process, after executing the repair plan to repair the several physically damaged storage units, in order to determine whether the repair is successful, you can further scan all the storage units of the DDR, according to The scan results determine whether the repair succeeded or failed. Specific implementation methods include:

[0092] First, after executing the repair scheme to repair the several physically damaged storage units, the value of the scan flag bit stored in the flash memory is set to a third value for representing that the DDR needs to be scanned; for example, scan Flag bit=1 means that the DDR needs to be scanned, and the scan flag bit=0 means that the DDR does not need to be scanned;

[0093] Then, restart the terminal device, so that the terminal device is powered on again, and after the terminal device is powered on, according to the value of the scan flag bit stored in the flash memory, it...

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PUM

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Abstract

The invention provides a method, device, equipment and storage medium for repairing DDR physical damage, which are used to solve the technical problems of low efficiency and high cost of repairing DDR physical damage in the prior art. The method includes: after the terminal equipment is powered on, scanning all storage units of the DDR, determining a number of physically damaged storage units in the DDR, and obtaining the physical addresses of the several physically damaged storage units; judging the Whether several physically damaged storage units can be repaired; if yes, store the physical addresses of the several physically damaged storage units in the preset partition of the flash memory; restart the terminal equipment so that the terminal equipment is powered on again, and In the first stage after power-on, the several physically damaged storage units are repaired based on the physical addresses stored in the preset partitions of the flash memory.

Description

technical field [0001] The invention relates to the technical field of computers, in particular to a method, device, equipment and storage medium for repairing DDR physical damage. Background technique [0002] With the development of science and technology, terminal devices such as computers, mobile phones, and tablet computers are the most commonly used devices for processing and recording data in people's daily life. In terminal equipment, memory plays an important role. Data such as drivers or applications must be loaded into the memory, and then the central processing unit (Central Processing Unit, CPU) can access and execute the data. Double Data Rate SDRAM (DDR) is one of the most mainstream memory specifications at present, and all mainstream products of major chipset manufacturers support it. [0003] In the prior art, after the storage unit in the DDR is physically damaged, the DDR must be disassembled from the terminal device, and then the DDR must be inspected o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/07G11C29/44
CPCG06F11/0793G11C29/4401
Inventor 杜文超
Owner SHANGHAI CHUANGGONG COMM TECH
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