Managing configuration data in a flash configuration space...

Details Managing configuration data in a flash configuration space... Managing configuration data in a flash configuration space...

2007-10-16

2007-10-16

Lane, Jack A. (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S156000

Reexamination Certificate

active

10978801

ABSTRACT:
A flash configuration space is disclosed for storing configuration data regions. Each configuration data region includes configuration data and a signature tag that identifies the configuration data with various levels of specificity. During a configuration data update, a header in each configuration data region is scanned to see if a valid matching configuration data region already exists. If no valid matching configuration data region exists, the signature tag and configuration data are written into the next available area in the flash configuration space. If a valid matching configuration data region is located, the header and configuration data are written into the next available area in the flash configuration space and the located configuration data region is invalidated. When the flash configuration space is full, all valid configuration data regions are saved, the flash configuration space is erased, and only current configuration data is written back into the flash configuration space in a priority order.

REFERENCES:
patent: 5479638 (1995-12-01), Assar et al.
patent: 2005/0216687 (2005-09-01), Fu

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