Method for quickly detecting the state of a nonvolatile...

Details Method for quickly detecting the state of a nonvolatile... Method for quickly detecting the state of a nonvolatile...

2005-01-18

2005-01-18

Lebentritt, Michael S. (Department: 2824)

Static information storage and retrieval

Addressing

Byte or page addressing

C365S185110, C365S185290

Reexamination Certificate

active

06845061

ABSTRACT:
A method for quickly detecting the state of a nonvolatile storage medium having a plurality of blocks therein is proposed. When the system stores data in any page of a blank block, the first page thereof is simultaneously marked. When there already is data in a block to be written in, because the first page of the block is already marked, it is not necessary to mark again. Therefore, it is only necessary to directly read the first page in each block when searching the block states in the nonvolatile storage medium. The state of the nonvolatile storage medium can be quickly detected based on the existence of a mark, hence effectively enhancing the performance of data access.

REFERENCES:
patent: 6591330 (2003-07-01), Lasser
patent: 20030020687 (2003-01-01), Sowden et al.
patent: 20030189660 (2003-10-01), Takeuchi et al.

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