An electronic apparatus having a ROM disposed in a data processing apparatus, and a writeable and nonvolatile memory device storing an operation setting value of the ROM is provided. When powered on, the apparatus determines whether the ROM has been changed or replaced. If it is determined that the ROM...http://www.google.com.au/patents/US6173412?utm_source=gb-gplus-sharePatent US6173412 - Apparatus and method for initializing a writeable/nonvolatile memory device
