Multiprocessor for providing fault isolation test upon itself

Details Multiprocessor for providing fault isolation test upon itself Multiprocessor for providing fault isolation test upon itself

1978-02-28

1980-01-01

Malzahn, David H.

Boots, shoes, and leggings

235304, G06F 1104

Patent

active

041819403

ABSTRACT:
An improved multiprocessor system for providing fault isolation test upon itself is described incorporating at least a first and second digital processor, a first, second and third memory and means for switching in one memory in place of another. In addition, methods are provided for fault isolation test in a multiprocessor system and for protecting the contents of one or more selected memories.

REFERENCES:
patent: 3787816 (1974-01-01), Hauck et al.
patent: 3814919 (1974-06-01), Repton et al.
Hufferd, "Reliability in Multiprocessors Through Swapping Status of a Failing CPU Alternately with Status of Non-Failing CPU", IBM Tech. Disclosure Bulletin, vol. 14, No. 7, Dec. 1971, pp. 1968-1970.
Cook et al., "Design of a Self-Checking Micro-Program Control, ", IEEE Trans. on Computers, vol. C-22, No. 3, Mar. 1973, pp. 255-262.

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