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Abstract

Embodiments of this application provide a data storage method, a data reading method, and a related device. The method includes: obtaining output data from a processor, where the output data includes target data to be written into a memory and poison data indication information corresponding to the target data, and the poison data indication information indicates whether the target data is poison data; and writing preset data into the memory based on the poison data indication information, or writing to-be-written data determined based on the target data into the memory. In the foregoing technical solution, the poison data can be indicated without sacrificing a parity bit. Therefore, according to the foregoing technical solution, the poison data stored in the memory can be identified, and a problem that an error correction capability is degraded due to sacrifice of the parity bit is avoided.

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First Claim