G - Physics – 06 – F
Patent
G - Physics
06
F
354/225
G06F 11/30 (2006.01) G06F 11/00 (2006.01) G06F 11/22 (2006.01) G06F 11/273 (2006.01)
Patent
CA 2015708
HIGH RELIABILITY COMPUTER DIAGNOSTICS SYSTEM Abstract of the Disclosure In a multiple-board computer system, diagnostics are primarily performed by highly reliable microcontroller units (MCUs) on each processor (and memory) board. Operated separately from the board central processing units so that board failure will not prohibit diagnostic routines, the MCUs are serially connected to a bus separate from the main bus. Redundant diagnostic processor board MCUs constantly monitor the other MCUs and the serial bus, and oversee the operation of an MCUs on a malfunctioning board. In an alternate embodiment the diagnostic processor boards are replaced by a microcomputer serving as a monitor.
Evans Eric A.
Johnston Gary L.
Kaino Masami S.
Russell Joseph D.
Zakhariya Ramiz H.
Evans Eric A.
Johnston Gary L.
Kaino Masami S.
Ncr Corporation
Russell Joseph D.
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