8k3a+ fan rpm monitoring

Armageddon415

Golden Member
Sep 24, 2000
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Not sure if this belongs here on in Cases/Cooling

I'm having a weird problem with my 8k3a+ and a ys tech adjustable fan. The fan is plugged in through a 3-4 pin adapter with a rpm cable. The problem is that I can't get it to properly monitor the rpm of the fan. The only time it monitors properly is if its running at full speed, if i lower the fan speed the readings go crazy and jump from 0-15000. I've tried using mbm, usdm, and the bios and they all report the same thing. I've also tried using different headers with no luck.