Distributed multi-processor boot system for booting each process

Details Distributed multi-processor boot system for booting each process Distributed multi-processor boot system for booting each process

1993-04-26

1995-09-12

Lall, Parshotam S.

Excavating

371 72, 364DIG1, 3642306, 3642679, 3642683, 39520001, 39518211, 39518312, G06F 1120

Patent

active

054505763

ABSTRACT:
A system for controlling initialization and self test operations in a multiprocessor system facilitates the use of central processing units based around differing microprocessor types. More specifically, the present invention involves storing configuration information, initialization self-test code, and boot code specific to each processor, memory module, or I/O circuit board in non-executable form in a non-volatile memory, on the respective circuit board, and storing the executable portion of the boot code needed by the initial boot processor in a centrally accessible non-volatile memory. Moreover, the present invention provides a system to automatically transfer default system initialization operations from a default processor to a first alternative processor if the default processor fails, and to automatically transfer initialization operations to a second alternative processor if the first alternative processor fails, and so forth depending upon how many alternative processors are installed in the multiprocessor system.

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