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computers - Why does my mainboard power the cathode to turn the Power-LED off? - Electrical Engineering Stack Exchange
Power button LED is blinking while I use the PC after I upgraded my motherboard, CPU, and RAM. But the PC seems to be working fine. It doesn't happen all the time,
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SOLVED] Power PC by mimicking the on/off btn (optocoupler? transistor? relay?) - General Electronics - Arduino Forum
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SOLVED] Power PC by mimicking the on/off btn (optocoupler? transistor? relay?) - General Electronics - Arduino Forum
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