System for assigning boot strap processor in symmetric multiproc

Details System for assigning boot strap processor in symmetric multiproc System for assigning boot strap processor in symmetric multiproc

1998-10-23

1999-12-28

Butler, Dennis M.

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

713 2, G06F 944

Patent

active

060095210

ABSTRACT:
A boot strap assignment system is disclosed for a symmetric multiprocessor computer in which the role of the boot strap processor is assigned to one of the working processors by a central agent as part of power-on configuration. The system includes a system management processor which monitors the operation of the multiprocessor computer and controls a switching circuit that selectively transmits the boot strap assignment signal from the central agent to the working processors. Since the management processor monitors environmental conditions and shut-down events, it can predict the failure of working processors and assign the bootstrapping function appropriately. A watch dog timer is also provided in case the bootstrapping fails so that another working processor can be assigned the task of booting up the computer.

REFERENCES:
patent: 4888683 (1989-12-01), Koizumi et al.
patent: 5450576 (1995-09-01), Kennedy
patent: 5491788 (1996-02-01), Capulis et al.
patent: 5627962 (1997-05-01), Goodrum et al.
patent: 5659748 (1997-08-01), Kennedy
patent: 5729675 (1998-03-01), Miller et al.
patent: 5768585 (1998-06-01), Tetrick et al.

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