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Haelwenn /элвэн/ :triskell: (lanodan@queer.hacktivis.me)'s status on Monday, 09-Sep-2024 14:43:21 JSTHaelwenn /элвэн/ :triskell: @cks Okay tested two of my spare PSUs (Antec from 2008, Huntkey of probably the same era) with a voltmeter.
With just AC attached pin-8 (grey) is neither pulled up or low, but as I then noticed in the documentation pin-16 (green) gives a 5V signal and it can be measured without fully turning the PSU on (they're old PSUs where the fan turns on whenever pin-16 is pulled low).
So I guess pin-16 is used as "check AC-back setting" signal.