Patent ID: 8074148
Filing Date: 2011-12-06
Classification: G06F

Abstract:
1. A memory management method for a non-volatile memory storage device comprising a non-volatile memory and a controller, the non-volatile memory comprising a plurality of blocks, each of the blocks comprising a plurality of pages, and each of the pages comprising a plurality of user data storage areas and a plurality of system management areas and error correction areas corresponding to the user data storage areas, the method comprising: dividing a memory capacity of at least a first system management area within a first page of the pages of at least a first block of the blocks into a system management data storage area and a system management data detection area corresponding to the system management data storage area, wherein the system management data storage area is used for storing a system management information, and the system management data detection area is used for storing a correction information; using the controller to read and judge whether the data stored in the first system management area is correct or not; and establishing a system information when the controller judges that the data stored in the first system management area is correct.