Patent · US Expired

Processor that indicates system bus ownership in an upgradable multiprocessor computer system

US5931930A · kind A · utility

4Cited by
46References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1996
Grant dateAug 3, 1999
Priority date
Expiry dateSep 30, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F13/24
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A computer system is disclosed having a processor with a type input pin that indicates whether the processor is coupled as an OEM processor a single processor or a dual processor computer system or as an upgrade processor in the dual processor computer system. The processor includes an upgrade/OEM output pin coupled to transfer an upgrade/OEM signal over a system bus if the type input pin indicates the OEM processor. The upgrade/OEM signal indicates whether the OEM processor or the upgrade processor is a bus owner of the system bus.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.