Method for restoring system configuration information of a network attached storage

A method for restoring system configuration information of a network attached storage includes the steps of: setting system configuration information of an network attached storage as a backup file; registering an interrupt handler; pressing down an input key to turn off a power switch (K) and gener...

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Bibliographic Details
Main Author Tong, Mo-Ying
Format Patent
LanguageEnglish
Published 04.05.2010
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Summary:A method for restoring system configuration information of a network attached storage includes the steps of: setting system configuration information of an network attached storage as a backup file; registering an interrupt handler; pressing down an input key to turn off a power switch (K) and generate an interrupt signal; invoking the interrupt handler to process the interrupt signal and returning interrupt GPIO information; determining whether an operating system receives the interrupt GPIO information from the interrupt handler; sending a periodical voltage to a second pin (P) for blinking a LED (L) if the operating system receives the interrupt GPIO information from the interrupt handler; invoking the backup file to restore the system configuration information of the network attached storage; and sending a high voltage command to the second pin for powering off the LED, which indicates that the system configuration information has been restored.