×

Automatic reconfiguration of alterable systems

  • US 5,497,490 A
  • Filed: 07/08/1992
  • Issued: 03/05/1996
  • Est. Priority Date: 10/11/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. In a data processing system including a system unit andbeing capable of operating with a variety of I/O adapter units;

  • each I/O adapter unit having an ID associated therewith;

    said system unit being interconnectable to one or more of said adapter units in a variety of different connection configurations;

    each connection configuration comprising a distinct system configuration, an arrangement for efficiently initializing the system comprising;

    non-volatile storage means retentively storing asystem configuration information;

    said system configuration information comprising IDs of the interconnected I/O adapters forming one of said system configurations;

    a backup storage means for storing a plurality of sets of backedup system configuration information corresponding to various different ones of said system configurations;

    each of said backedup configuration information comprising IDs of the I/O adapters for a corresponding system configuration;

    means operative during each initialization of said system for detecting the current configuration of connections between said system unit and said adapter units by determining the IDs of the I/O adapters currently connected to the system unit;

    first determination means for determining whether the current configuration matches the configuration stored in the non-volatile storage means;

    interrogation means responsive to a determination of a mismatch by said first determination means for interrogating the backedup configuration information by comparing the IDs stored in each set of the backed up system configuration to the IDs of current system configuration;

    second determination means for determining whether a backedup system configuration matches the current system configurationretrieving means responsive to the second determination means for retrieving a backedup system configuration matching the current system configuration; and

    means for adding the current system configuration to the backup storage means if no match is found between the current system and the backedup system configurations.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×