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Method and apparatus for upgrading the software lock of microprocessor

  • US 5,790,783 A
  • Filed: 03/28/1996
  • Issued: 08/04/1998
  • Est. Priority Date: 03/28/1996
  • Status: Expired due to Term
First Claim
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1. A method for performing a software lock, comprising:

  • reading a first serial number of a currently installed microprocessor;

    retrieving a second serial number of a previously installed microprocessor;

    comparing said first serial number and said second serial number;

    seeking authorization to perform said software lock with said first serial number; and

    performing said software lock with said first serial number if said authorization is obtained.

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