Quote:
Originally posted by pHaestus
Might be simpler to just skip the alarm and tap into the PWR_GOOD line from the ATX connector? If the relay doesn't work then you wouldn't be able to power up the system.
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How does PWR_GOOD work? I've always started PSUs by jumpering PWR_ON to a ground wire, never needed to do anything to PWR_GOOD. Is it something the motherboard uses to check?