Patent ID: 8626992
Filing Date: 2014-01-07
Classification: G11C

Abstract:
1. A storage device, comprising: a plurality of replaceable nonvolatile memories that each store respective unique identification information and are to be accessed from a host; an identification information storage module configured to store therein a plurality of pieces of identification information that identify a plurality of nonvolatile memories, respectively; a location information storage module configured to store therein pieces of location information each identifying a bad area in one of the nonvolatile memories identified by one of the pieces of identification information; a determination module configured to determine whether the unique identification information stored in respective nonvolatile memories connected thereto matches any one of the pieces of identification information stored in the identification information storage module; and a control module configured to prevent one of the pieces of location information stored in the location information storage module from being used, and to prevent access to one of the nonvolatile memories identified by one of the pieces of identification information from the host, when the determination module determines that one of the unique identification information of one of the nonvolatile memories does not match any one of the pieces of identification information stored in the identification information storage module.