Patent · US Expired

Method and apparatus for enabling physical memory larger than corresponding virtual memory

US5860141A · kind A · utility

17Cited by
9References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 1996
Grant dateJan 12, 1999
Priority date
Expiry dateDec 11, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F12/0623
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for enabling a physical memory larger than a corresponding virtual memory. An apparatus is disclosed that includes a processor having an address word of a predefined length, a main memory having a size larger than the addressable range of the predefined address word, and virtual memory logic for configuring the processor virtual memory to contain a subset of the main memory as resident memory and pointers to the remainder of main memory. Analogous method steps are disclosed as is dividing main memory into a plurality of buffer uniquely identifiable within the address range of the predefined address word.

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