System for switching between processors in a multiprocessor syst

Details System for switching between processors in a multiprocessor syst System for switching between processors in a multiprocessor syst

1990-03-19

1993-10-05

Lee, Thomas C.

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364229, 3642292, 364268, 3642683, 364DIG1, 3649314, 3649402, 364944, 364DIG2, 395575, G06F 1300, G06F 1100

Patent

active

052512991

ABSTRACT:
A multiprocessor system is provided with main processors and secondary processors, and the processors are duplexed to form an active system and a standby system. A right to switch the system is given only to the main processors, and the secondary processors are operative to switch the system in accordance with the related system switching command, wherein data and control information are independently communicated between the main processors and the corresponding secondary processors belonging to the same active or standby system.

REFERENCES:
patent: 4455601 (1984-06-01), Griscom et al.
patent: 4654784 (1987-03-01), Campanini

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