I am currently studying the hardware peripherals as a part of my academic syllabus. I was studying the BIOS and its features now. While studying, I came across a part where it described about the techniques used by the motherboard to protect the peripherals from sudden unexpected power surges. How does a BIOS know if there is any disturbance in supply of power or if any fluctuation has occurred? Is it due to fan underspeeding when such power surge occurs? I couldn’t understand part much, so I need help with it. Is this technique related to BSOD that is found in BIOS menu? Can someone explain me the concept of Anti-Surge protection that motherboard provides?
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