Method and apparatus for fault-tolerant computer system having expandable processor section
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United States of America Patent
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Mar 28, 1989
Grant Date -
N/A
app pub date -
Nov 5, 1986
filing date -
Nov 5, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A computer system of the type having a processor section, a memory section, an input-output section, a system clock, and a system bus for communicating signals between the sections, accommodates a variable number of processor units in the processor section. The processor section hence is expandable. Synchronization is distributed in that each processor unit can synchronize all the units in the processor section. The processor units arbitrate for access to the system bus, and respond to interrupts, on a distributed basis. A distribution counter in each processor unit provides a periodically sequencing unique count to distribute tasks among the processor units.
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