System and process for load an operating system of an information processing device
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United States of America Patent
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-
Mar 20, 2001
Grant Date -
N/A
app pub date -
Apr 9, 1998
filing date -
Aug 22, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process and system for updating an operating system for an information processing device via a console link or mass memory. The information processing device including a power supply with an energy reserve, a microprocessor, an erasable flash EPROM type memory, a backed up RAM memory, and a device for detecting main power supply failures. When making an update, the existing operating system transfers a boot program into the backed up RAM, then executes this boot program stored in RAM, this boot program stored in RAM erasing the Flash EPROM memory and then loading the new operating system into the Flash EPROM from the console link or the mass memory.
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