Sorry posted very incorrect information, therefor this thread can be removed.
My bad and sorry about this.
That’s a question for our CPU Microcode experts.
Sorry for my ignorance, do they check this thread? 
I am not sure about that.
The chances may be better, if you personally address your post to the experts (e.g. "@ SoniX", @ CodeRush" or "@ lordkag" ).
Thank you Fernando, I added it in the title.
The changes from 150 to 270 are so massive, that they appears to be unportable for me. 1xx BIOSes are based on much older Aptio4 code base, and since then, ES CPU support was dropped not only by microcode update, but by the whole CPU support module itself. Only MSI can help you here, in my opinion, but I may be wrong.
Yeah figured that much. The changes from 1.50 to 2.10 are already pretty big. Oh well, thank you anyways for taking a look.
I will try to contact MSI about this, or sell the CPU. Too bad though, because it looked pretty good in the older BIOS as in terms of overclocking.
Nevertheless; thank you for taking a look!