Electrical computers and digital processing systems: support – Computer power control – Having power source monitoring
Reexamination Certificate
2011-06-14
2011-06-14
Stoynov, Stefan (Department: 2116)
Electrical computers and digital processing systems: support
Computer power control
Having power source monitoring
C713S300000, C307S044000, C307S066000, C320S107000, C320S116000, C320S126000, C365S226000, C711S112000, C714S014000, C714S022000
Reexamination Certificate
active
07962776
ABSTRACT:
A method to detect component removal while operating in a battery backup mode, comprising providing power from a battery backup unit (BBU) to a control card memory device, and measuring the current drawn by the control card memory device. If the current drawn by the control card memory device is less than or equals a pre-determined disconnect current, the method determines if a BBU release pin has been asserted. If the BBU release pin has been asserted, the method encodes in an event log a battery backup removal event. If the BBU release pin has not been asserted, the method encodes in the event log a control card removal event.
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Chinese Office Action dated Mar. 10, 2010.
Groff Steven Mark
Juarez Larry
Ohrazda Joseph Dean
Qiu Kenny Nian Gan
International Business Machines - Corporation
Quarles & Brady LLP
Regelman Dale F.
Stoynov Stefan
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