A method is disclosed for identifying ROM memories. The method first determines whether the same data is read from a predetermined unit of memory during successive reads and, if so, determines whether the read data includes more than a predetermined minimum number of different data bytes. If both tests...http://www.google.com.hk/patents/US6032273?utm_source=gb-gplus-share專利 US6032273 - Method and apparatus for identifying read only memory
