Method and system for recovering program code in a computer...

Details Method and system for recovering program code in a computer... Method and system for recovering program code in a computer...

2008-01-22

2008-01-22

Zhen, Wei (Department: 2191)

Data processing: software development, installation, and managem

Software upgrading or updating

Reexamination Certificate

active

07322029

ABSTRACT:
A method and computer system are provided for recovering program code in a memory device. A determination is made as to whether current program code stored in a memory device in the computer system is valid. The current program code may be current BIOS code for the computer system. If it is determined that the current program code is invalid, code stored in the memory device is executed to copy an image file from a storage device to a main memory in the computer system. The image file includes recovery program code for the memory device. The current program code in the memory device is then updated with the recovery program code from the main memory. Prior to updating the current program code, a flag is set indicating that the current program code needs to be updated. A boot of the computer system is then initiated from the image file and upon detecting the flag, the boot of the computer system is interrupted. While the current program code in the memory device is being updated with the recovery program code, status messages related to the ongoing update may be displayed on a video display device in the computer system.

REFERENCES:
patent: 5388267 (1995-02-01), Chan et al.
patent: 5579522 (1996-11-01), Christeson et al.
patent: 6438688 (2002-08-01), Nunn
patent: 6715106 (2004-03-01), Mermelstein
patent: 2002/0147941 (2002-10-01), Gentile
patent: 2003/0028800 (2003-02-01), Dayan et al.
patent: 2003/0033515 (2003-02-01), Autry

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