Method and apparatus for updating a basic input/output system

Electrical computers and digital processing systems: support – Digital data processing system initialization or configuration – Loading initialization program

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714 15, G06F 9445

Patent

active

061227331

ABSTRACT:
An apparatus includes a storage medium having stored therein a segmented basic input/output system (BIOS) divided among a plurality of segments within the storage medium, and a processor operative to execute the segmented BIOS. In accordance with the teachings of the present invention, the BIOS includes a recovery function that is mode dependent in that while the apparatus is in an update mode the recovery function executes a full reflash of all relevant segments of the segmented BIOS, whereas while the apparatus is in a normal mode the recovery function executes a partial reflash of only identified corrupted BIOS segments.

REFERENCES:
patent: 5051588 (1991-09-01), Agano
patent: 5388267 (1995-02-01), Chen et al.
patent: 5418778 (1995-05-01), Cummiskey et al.
patent: 5579522 (1996-11-01), Christeson et al.

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