Patent ID: 8312247
Filing Date: 2012-11-13
Classification: G06F

Abstract:
1. A plural-partitioned type nonvolatile storage device capable of data read and write in response to an access request derived from an external host, the plural-partitioned type nonvolatile storage device comprising a storage area which includes a device characteristic data storage area for storing plural type of device characteristic data, a division table storage area for storing a division table, and a device storage area for storing data, wherein the device storage area is divided into one or more plural partitions, the data stored in the plural partitions have an individual address and can be accessed by the address from the external host respectively, the plural-partitioned type nonvolatile storage device is configured to have different modes for adapting different accesses from the external host and to allow the external host to access partitions corresponding to the mode, the division table stored in the division table storage area has division information as to a dividing method for the plural partitions and access information as to host-accessible partitions corresponding to each individual mode, each type of device characteristic data stored in the device characteristic data storage area corresponds to each individual mode, and the plural-partitioned type nonvolatile storage device outputs the device characteristic data corresponding to the current mode to the external host in response to a command from the external host for acquiring information.