METHOD AND APPARATUS FOR BACKING UP APPLICATION CODE UPON POWER FAILURE DURING A CODE UPDATE

摘要

A system, method and apparatus for updating computer code in a computer controlled device overcome glitches in updating of the computer code. The present invention allows upgrading of the computer code via any upgrade channel or mechanism. In one form, back-up code corresponding to application code is stored in memory. Upon a power failure or other glitch in which the application code becomes corrupt, back-up code is utilized by the boot code to provide a version of the application code for operation of the computer controlled device. In one form, the upgrade is accomplished via a smart card .