Thanks, that is what I wanted to know that it is not essential to disable Vmx.  I might try it incrementally from my last best voltage settings, but I am not going to start over and re-do my hours and hours of work.

It's great you have all this good knowledge, but can you share it?I have asked you at least three times the significance of disabling Vmx and you have not answered it.

I could not get my 8000 memory over 6400 when the CPU were bone stock, no overclocking.  So, yes stable.As I mentioned, all memory errors on my Dark Hero board were in DIMM Slot 3, regardless of which memory was in that slot. The same CPU is now heav...

I disagree. I did everything you listed, almost exactly the same and there was almost no improvement. But I did not disable Vmx. 

My experience with my Dark Hero was very poor and could not get 8000 memory to pass Karhu above 6400 or so with all CPUs running stock.  All errors were on one DIMM slot, regardless of which stick was in it.So, I do believe mine had some manufacturin...