Patent · US Expired

System management shadow port

US5630147A · kind A · utility

20Cited by
18References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 15, 1996
Grant dateMay 13, 1997
Priority date
Expiry dateFeb 15, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02D10/00
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A device and method for transferring data, address and status information concerning a former I/O bus cycle before a system management interrupt is initiated. A plurality of system management shadow registers samples information from a system bus. Such information is obtained by a register accessing the plurality of system management shadow registers through a common shadow port.

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