Hello there 
So here is my story ... 
I replaced i5 4670K by new i7 4790K ... i has F8 BIOS , BEFORE  i replace CPU i reset BIOS to default .... 
so all those is with default F8 settings .
 then my story start  : 
1st restart - BIOS detect new cpu . vcore -1,357 V
2th restart - BIOS detect new cpu . vcore -1,235 V
3th restart - BIOS detect new cpu . vcore -1,452 V
4th restart - BIOS detect new cpu . vcore -1,487 V !·!!!!!!!
at this moment , i manualy changed vcore to 1.235 V .... cba burn my new cpu ... 
I just hope to you guys working on properly detect  vcore by this MB  ? 
Best Regards