Patent ID: 6115798
Filing Date: 2000-09-05
Classification: G06F,Y10S

Abstract:
A storage device having a backup function and adapted to be connected to at least one processing unit via a shareable bus, said storage device comprising:a memory unit accessed by said at least one processing unit via said shareable bus;a memory control unit, operatively coupled to said memory unit, for controlling accessing to said memory unit;a backup storage medium for storing data of said memory unit as backup data; anda backup control unit for controlling accessing to said backup storage medium;said backup storage medium, together with said memory unit, said memory control unit and said backup control unit being mounted in said storage device and coupled to said memory unit via said backup control unit and said memory control unit within said storage device without utilizing said shareable bus such that data in said memory unit is read via said memory control unit and the read data is then written into said backup storage medium via said backup control unit as the backup data without being transmitted on said shareable bus.