A control method and system when a flash memory is used as a semiconductor disk or a main memory in an information processing system. A semiconductor file system comprises a first nonvolatile memory electrically erasable, a second nonvolatile memory not electrically erasable, a volatile memory, a controller...http://www.google.es/patents/US6078520?utm_source=gb-gplus-sharePatente US6078520 - Flash memory control method and information processing system therewith
Flash memory control method and information processing system therewith