Method and system for failsafe recovery and upgrade of an embedded operating system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 8, 2003
Grant Date -
N/A
app pub date -
Mar 2, 2000
filing date -
Mar 2, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and system for failsafe recovery and upgrade of an operating system embedded within a peripheral or consumer electronic device. The method and system involves replacing current implementations that use ROM memory to store a copy of the embedded operating system, or critical portions thereof, with a disk-based ROM and redundant backup copies of the initial operating system kernel and the primary image required for booting the final embedded operating system. By maintaining critical files in read-only partitions, the robustness and reliability achieved using ROM memory in currently available devices can be achieved without expensive ROM memory via the disk-based ROM.
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