Shared memory for a fault-tolerant computer

Details Shared memory for a fault-tolerant computer Shared memory for a fault-tolerant computer

1973-08-31

1976-04-13

Shaw, Gareth D.

Communications: electrical

Digital comparator systems

235153AE, G06F 1100, G06F 1300

Patent

active

039507297

ABSTRACT:
A system for sharing a memory in a fault-tolerant computer. The memory is under the direct control and monitoring of error detecting and error diagnostic units in the fault-tolerant computer. This computer, for example, verifies that data to and from the memory is legally encoded and verifies that words read from the memory at a desired address are, in fact, actually delivered from that desired address. The present invention provides the means for a second processor, which is independent of the direct control and monitoring of the error checking and diagnostic units of the fault-tolerant computer, to share the memory of the fault-tolerant computer and includes circuitry to verify that:

REFERENCES:
patent: 3303474 (1967-02-01), Moore et al.
patent: 3517171 (1970-06-01), Avizienis
patent: 3517174 (1970-06-01), Ossfeldt
patent: 3529141 (1970-09-01), Reed
patent: 3566358 (1971-02-01), Hasbrouck
patent: 3573751 (1971-04-01), DeLisle

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