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Fail-fast, fail-functional, fault-tolerant multiprocessor system

  • US 5,751,932 A
  • Filed: 06/07/1995
  • Issued: 05/12/1998
  • Est. Priority Date: 12/17/1992
  • Status: Expired due to Term
First Claim
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1. A data processing system, comprising:

  • at least two sub-processing systems, each sub-processing system including;

    a central processing unit, the central processing unit including at least a pair of processor elements operating in lock-step, self-checking configuration, and executing substantially identical instructions at substantially the same time,a peripheral unit, anda routing element coupled to the central processing unit of each of the sub-processing systems and to the peripheral unit for communicating data between the central processing units and peripheral unit of the sub-processing systems.

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