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A comment on Built a cheap DIY fan controller because my motherboard never had working PWM. Parent comment

Re:Built a cheap DIY fan controller because my motherboard n... by johndough on Thursday April 02, 2026 @05:08AM (#47611876)
Just send a heartbeat every few milliseconds and set fan speed to 100% if it died. Bonus: You get an audible indicator that the system crashed.
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