[arsome]

What you're interested in is called Active Management Technology, it's not supported by all boards, but typically if it is there's a bios screen labelled something like "AMT Configuration" where it can be enabled or disabled.

https://virtualizationreview.com/articles/2020/01/13/configu...

Intel ME is its own can of worms and can only be fully disabled by modifying the firmware image, see tools like me_cleaner.

https://github.com/corna/me_cleaner