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We can tune the chipset fan curve, let me talk to our guys.

Please, please expose SYSFAN3 / PCH in SmartFan 5, or give us BIOS control for it. My X570 Aorus Master's chipset fan is running at 4300 rpm constantly (chipset temp 57c) and the high pitch noise is driving me crazy. I'm nearly at the point of returning the board and dropping back to X470. I can't stand it.

 

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My machine also started BSOD'ing with WHEA_UNCORRECTABLE_ERROR on the F5l bios version (3900X, 3800CL16 with tight timings 30,000% karhu ramtest stable 1:1 1900mhz FCLK). I'll try rolling back to F5k and see if I still bsod. This is the first i've seen them and i've gotten two in a matter of 30 minutes - It certainly seems tied to FCLK as others have reported. The faster your FCLK, the quicker the bsod comes around.

I noticed on GBT_Matthew's post on the first page of this thread that WHEA errors will be fixed on the next bios release - is that referring to the Event Log spam, or actual BSOD WHEA errors?

 

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Reporting a bug in X570 Aorus Master BIOS F5L (and likely future versions):

If you set memory multiplier to 36x or higher on the main Tweak page, the VDDG voltage will change from "Auto" to "Manual / 1.05v" in AMD CBS menu. No matter how many times you change it, it reverts. My chip is unstable with that much voltage through VDDG at my current settings, and the workaround is to keep it set to "manual" and put the correct standard VDDG voltage of 950mv.

 

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Is there a reason that there are arbitrary SmartFan limitations in the BIOS (X570 Aorus Master)? It won't let you go beyond a certain range in temperature difference between two points, and does not allow for flat, stair step curves (it only seems to do diagonal lines between points). I want constant fan speeds in large temp ranges and I want to skip fan rpm ranges that cause resonance, but the damn UI won't let me stack points vertically at the same temp (if you set a point for 50c / 29% fan speed, you cannot set another point at 50c / 36% fanspeed that will remain flat until the next point, 75c / 44%, etc.)

Traditionally in fan curve editors you can double click or otherwise flip a toggle to do stairstep curves. This shouldn't take up excessive BIOS rom space to implement. Hell, it might even take up less space if you remove the various constraints on temp / fan speed deltas. Is there any solution I can use that isn't bloatware SIV+SmartFan in the OS that works and doesn't consume significant resources?

EDIT: FanControl looks like a good OS utility alternative Rem0o/FanControl.Releases