Question Will CPU turbo mode increase fan speed?

[Craig C2]

When the CPU turbo boosts and temps increase, will the BIOS or OS increase fan/pump speed accordingly?
I'm looking for a higher-end Z390 Asus or Gigabyte board (Maximus Hero, Aorus Xtreme...), with an i9-9900.
I'll be using Linux, so I'll need to know if its the BIOS/UEFI or OS that handles this feedback loop. Does anyone know which kernel module?

 

[CountMike]

Speed is adjusted by temperature, not by CPU frequency. When frequency goes up, so does CPU voltage and that causes fans to speed up.

 

[Craig C2]

Do you mean the same voltage that feeds the CPU, Vcc out of the VRM, feeds the fans?

 

[TJ Hooker]

Do you mean the same voltage that feeds the CPU, Vcc out of the VRM, feeds the fans?

No. But the fact that CPU voltage and frequency go up mean that the CPU power (and therefore heat) will increase. Fan speed will increase along with CPU temp, as per whatever fan profile is set.

 

[Craig C2]

Fan speed will increase along with CPU temp, as per whatever fan profile is set.

Yeah, I'm wondering where the fan profile software is.

I dont think Linux uses the BIOS after boot.
I'm reading about lm_sensors and fancontrol (Linux packages) at the moment.

If anyone can attest to Asus & Gigabyte Z390 boards support under these packages, that would be helpful. Like which sensors can be read, and how many fans/pumps can be adjusted.

 

[TJ Hooker]

Seems simple enough to just adjust the fan curve in the BIOS and see if it has an effect in Linux.

 

[Craig C2]

Oh, I'm still researching what motherboard to buy. My current computer is obsolete.