Computer systems and methods of detecting AC failure
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United States of America Patent
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Aug 9, 2016
Grant Date -
May 21, 2015
app pub date -
Nov 20, 2013
filing date -
Nov 20, 2013
priority date (Note) -
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Abstract
A computer system that includes a power supply unit that generates at least one secondary supply voltage (Vcc) and an auxiliary voltage (Vaux) based on an AC supply voltage (VAC), and a system board electrically connected to the power supply unit, the system board comprising a sequencing microcontroller that selectively activates further components of the system board, the further components comprising a chipset, wherein the sequencing microcontroller is configured to monitor the state of at least one control signal of the power supply unit and/or the system board to detect a failure of the AC supply voltage (VAC) and signal the failure of the AC supply voltage (VAC) to at least the chipset.
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