Dual independent non volatile memory systems
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United States of America Patent
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Feb 1, 2011
Grant Date -
Feb 25, 2010
app pub date -
Aug 21, 2008
filing date -
Aug 21, 2008
priority date (Note) -
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Abstract
Disclosed is a method, system, and computer readable medium for restoring a failed non-volatile memory (NVM) system in a wireless device having a primary NVM system and a secondary NVM system. The method does not require a reboot of the wireless device. A NVM manager application detects a failure in either of the NVM systems and determines which NVM system has failed. If the primary NVM system has failed then the NVM manger switches the wireless device to operate using the secondary NVM system, restores the primary NVM system using data from the secondary NVM system, then switches the wireless device back to the primary NVM system once it has been restored. If the secondary NVM system has failed then the NVM manager restores the secondary NVM system using data from the primary NVM system.
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