A portable storage device including a microprocessor and a secure user data area, the microprocessor operable to perform on-the-fly encryption/decryption of secure data stored on the storage device under a user password, the microprocessor also operable to exclude access to the secure user data area unless the user password is provided.

 
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< Storage control apparatus

> Power off controllers and memory storage apparatus including a power-polling time control circuit

~ 00490