Quote Originally Posted by [XC]Atomicpineapple View Post
Thats how I undersatood it. If TDP, Temp and voltage stability are all in -pre specced parameters you get the Turbo +1 multi, but if they're not, you're back to max stock multi (20x for the i920). However it seems all boards come with a way around those checks so you can effectively force the +1 multi permanently via bios option(s).
Yep, F3 bios (on Ext anyways) has TDP limit apparently enabled so turbo is active at 1-2 cores loaded on mine anyways and inactive for 3-4 cores loaded, and F4beta bioses have TDP limit apparently disabled hence turbo = +1 multi.

Would be nice if that TDP limit was available for us to turn on/off. I thought some boards at least in reviews had the option to turn that on or off, without having to switch bioses to do so.