restoration of logical BIS

	alpchat is your : Video card - cpu - memory - Hard drive - power supply unit source

POSTER: computer news   ||   RESTORATION OF LOGICAL BIS	DATE:2007-03-01
The specialists of corporations NEC and NEC electronics together developed the technology, which ensures the possibility of independent restoration of logical BIS (large-scale integrated circuits, LSI) even during repeated damages, which arose already after delivery, as a result aging microcircuits. Although the similar technology already adapts in BIS memory, which have regular structure, it is much less extended in logical BIS. Technology includes two aspects. One of them is connected with solution of problem detecting the failures, and another is  technique of the reserve chains, which are set in operation in the case of troubles. The detection of failures is based on the replacement of standard triggers by the special, which can recognize worsening on a increase in delays. When delay exceeds the previously predetermined value, is done the conclusion that malfunction, caused by aging microcircuit, occurs, and switching to the reserve chain is excuted out. Reserve chains are formed due to the separation of initial into smaller blocks and duplicating of each such blocks. Today, the majority of logical BIS contains the reserve copies only of comparatively large blocks of – of such, as processor cores. Certainly, in this case, probability that the defects, which arose two large units of one and the same chip, they will lead to its failure, it is completely high. Separation in smaller blocks makes possible to go around this problem : even repeated failures in this case they can be removed by switching the corresponding sections to the reserve chains.	RESTORATION OF LOGICAL BIS

	alpchat is your : Video card - cpu - memory - Hard drive - power supply unit source

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