Patent ID: 8245001

Claim:
A storage device comprising a master boot record unit and a protected partition, wherein: said protected partition comprises an application data area and a system data area for storing application data and system data to be provided to a user, respectively, wherein data having a customized format of nonstandard file system are stored into said application data area and/or said system data area, and wherein the nonstandard file system is configured to prevent said application data area and/or said system data area from being damaged by the user when the user mounts the protected partition as a disk label, and a partition boot record PA_MBR and a plurality of subpartitions are included in said system data area, wherein said plurality of subpartitions are configured to stored different types of system data to be provided to the user, and wherein said partition boot record is configured to record the position and size of each subpartition as well as the type of corresponding system data stored in the subpartition.