Run some typical software/games with coretemp visible and see what the "slack" in your system is. You can set it to poll in 0.1s increments. Run coretemp ( direct-link to standalone executable without bloatware) to see how fast your CPU temperature fluctuates. Then, ramp the fan up to around 50% at the temperature you want as the upper target temperature (70-75C is probably sensible) and then make sure that the last node on the fan curve is at 100% fan well before the TJMax point of 100C for an 8700K, so probably 85-90C needs to be 100% fan. That means that for the near-idle, low-load fluctuations in temperature, you're not going to hear any major change in fan noise, if you hear it at all. Now, when the CPU is loaded, even momentarily, it's likely to jump up in temperature by around 20-25C, so set the next point on the graph at 55C to be pretty close to the idle speed. I would manually edit the fan curve so that your normal idle temperature (say 30C) is a speed on the fan curve where the noise of the fan you're tuning blends into the background noise. If you set the fan step up and step down to a long time, it will make big jumps in fan tone as there's almost a a guarantee that the temperature will be very different between step changes. Also, before it's suggested, I don't want to constantly run 3rd party fan speed software in the background. It almost sounds like the settings I'm looking for (delay and/or amount of time at/above threshold before fan speed changes?), but in practice they do absolutely nothing, even at the max 25 seconds.Īnyone have experience with this on a recent Asus board? Is there a setting I'm missing somewhere, or is it just a garbage buggy BIOS? I'm sure having 200 board variants on the same socket has no impact on the quality of their product. Perhaps my Google-fu is lacking, but I can't seem to find an official description of these anywhere. "CPU Fan Step Up / CPU Fan Step Down" (0-25 seconds)
Manual mode contains settings for middle and maximum temperature thresholds (along with the fan percent/duty you would like associated with each) but the BIOS still continues to perform granular adjustments, even when the middle temperature threshold is raised to well above anything I'm hitting. "Fan Profile" (Standard/Silent/Turbo/Manual)Ĭhanging to "silent" results in mild overall improvement, but granular adjustments can still be heard where none are needed. Problem: BIOS constantly makes hyper-granular fan-speed adjustments in the low-to-mid range ramping up/down along with any change in CPU load rather than temperature (which couldn't possibly be changing that quickly in either direction), causing me to get motion-sickness at my desk.
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