So what parts have you carried over to this X79 setup?
I think your RAM is fubar.
Am beginning to suspect ram as well.
Absolutely everything has stayed the same in this system coming from Asus P8Z77-v with 3770K.
Had major problems with the sabertooth X79 I tried first, but the problems I was getting really jsut made me think board was at fault.
Then got the gigabte Z97 and 4790K. All was fine for couple of days, then problems started, and continued, though sometimes intermittent.
But now yet another board... Apart from that one reset so far, it does appear stable, but the fact that it happened... its concerning me.
I just assumed the memory was ok after it passed memtest.
So now have unplugged half and will see how get on (bur for how long I don't know). Then try the other half for a bit (again, after how long I don't know)
Would RAM just suddenly go bad though? It was fine in P8-z77-v with 3770K... Don't think I have ever had faulty ram before.
So now I am stuck with 3 boards.
Have filled out the RMA for the gigabyte + 4790K, but now not as sure as I was that was the problem.
I was so hoping to be done with all this this weekend. I was over the moon when this system appeared to be stable