Patent ID: 7596655

Claim:
A flash storage, comprising: a micro-controller; at least one flash memory, connected to said micro-controller, said flash memory comprising a plurality of physical memory blocks therein, each of said physical memory blocks further comprising a physical address and a plurality of physical sectors, and then each of the physical sectors at least comprising a user data column and a logical address pointer column, wherein writing logical address pointer data into each logical address pointer column is allowed when said user data column is stored therein with physical data, said logical address pointer data being recorded with a logical address of a logical memory block corresponding to said physical memory block; and a registered memory, connected to said micro-controller, used for storing a linkage table recorded with said physical address of each physical memory block and said logical address of said logical memory block corresponding thereto, wherein each of said logical address pointer columns in the same physical memory block is stored with the same logical address.