BIOS power management (OS control, p/c-states, etc)
Does PFSense do a good job of power management when power management is set in the BIOS as "OS Controlled"? I know this works well with windows, but I've never tried it with PFSense which I assume would be the same as any BSD based install?
Right now I have the BIOS deciding what to do and its been working fine, but I would like to hand that off to PFSense if it will do a better job.
It usually works fine. You need to enable powerd in Sys > Adv > Misc. That will then scale the CPU P-states.