Patent ID: 8589669

Claim:
A data protecting method for a rewritable non-volatile memory module, wherein the rewritable non-volatile memory module has at least a first storage area and a second storage area, the data protecting method comprising: providing default configuration information and pre-boot codes stored in the first storage area in response to a boot command from a host system, wherein the host system is unable to recognize the second storage area according to the default configuration information, and the pre-boot codes are executed in the host system; receiving a user identification code and a user password from the host system; determining whether the user identification code and the user password are respectively identical to a first identification code and a first password; and if the user identification code and the user password are respectively identical to the first identification code and the first password, transmitting a re-boot command to re-boot the host system, and providing first configuration information to the host system after re-booting the host system, wherein the host system recognizes the second storage area according to the first configuration information and accesses data stored in the second storage area.