Ok, so I received my 4790k today. And like a good lad, I followed the instructions and downloaded the combined 1505 BIOS and BIOS updater. I also installed the Intel Management Engine Interface as a prerequisite to the BIOS updater working (it told m...
I flashed to 1504 in preparation to installing the 4790K, but this CPU is still a week away from being delivered to me. The 37x turbo limit on my 4771 seems to be an uninteneded consequence of the 1504 Beta Bios, or of my bad as part of the move to 1...
I have experienced exactly the same issue (max turbo frequency stuck on 37x under load) when I upgraded from 1402 to 1504 Beta on my VI Formula. I am running an i7-4771 (i.e. non K) under 64-bit Win 7. This is seemingly not the first time this sort o...