Patent · US Expired

Method, system, and product for utilizing a power subsystem to diagnose and recover from errors

US7219258B2 · kind B2 · utility

9Cited by
11References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 2003
Grant dateMay 15, 2007
Priority date
Expiry dateJul 10, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F11/2242
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method, system, and computer program product are disclosed for diagnosing and recovering from I/O subsystem errors. A data processing system includes a computer which includes a power subsystem and at least one I/O subsystem. A determination is made that an error occurred in the I/O subsystem. Registers in integrated circuits included within the I/O subsystem are accessed utilizing the power subsystem in order to diagnose the error while the I/O subsystem is in an error state.

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