Processor having operating modes for an upgradeable multiprocess

Details Processor having operating modes for an upgradeable multiprocess Processor having operating modes for an upgradeable multiprocess

1996-09-03

1998-07-14

Swann, Tod R.

395653, G06F 1300

Patent

active

057817740

ABSTRACT:
A processor for an upgradable system is disclosed having a type pin that indicates whether the processor is coupled as an OEM processor in a single processor or a dual processor computer system or as an upgrade processor in the dual processor computer system. The type pin causes the appropriate enable and disable of a cache coherency mechanism and a bus arbitration mechanism in the processor and coordination of a dual processor boot-up handshake.

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