Picked up some Gskill 2666 ram. (F3-2666C12D-16GTXD)  The pc boots up fine when i installed it set it to xmp profile and made sure the voltages where at its recommended speed. After 10 to 15 minutes or so it blue screened, then the computer would just boot for 2 seconds and turn off over and over. So I turned it off restarted it, it started up but beeped and had the 55 code.
 
So i cleared cmos it started fine, and played bf4 for 20 min and blue screen.  So cleared cmos and upped the ram voltage to 1.67, it lasted almost 45 minutes before a blue screen, then it would just happen over and over..
 
So not sure what to do..  The ram was tested and was fine before I got it, so it cant be the ram. I also went back to my old ram 4 sticks of 2400mhz gskill ram. The computer was fine the rest of the night..
 
So what is going on with it?  I put the ram in spots 1&3 like it says to do in the manual.. I have read online that its supposed to be 2&4, not 1&3. Could this be the reason why?  Do i need to up the voltage on any other parts of the board also?
 
Right now I have my 4790K oced to 4.8ghz at 1.275+5, the ring ratio is at 4.4 at 1.260+5 and cpu input voltage is at 1.895. I have tried upping this alittle but still blue screening.
 
Thanks for any help guys..  Will try slots 2&4 when I get home tonight, just not sure what else to do.
 
 
Parts list is
4790k
z97 classified
soundblaster z
evga g2 1300 psu
780ti classified and 780ti kingpin
 2 samsung 940pro's
Windows 10 64 build 10586.3

I can try that, the system was 18 hours stable before. So i dont think it was a system stability issue. But will try it anyways.

 
CPU voltage 1.895V ?    I think that's your problem lol...
 
oh wait, input voltage 1.895V, lol ..clock 1.275V ok, read too quickly.
 
 
 

Alittle update.
 
After running hours and hours of cpu/ram tests and getting zero errors and then playing BF4 for a hour or 2 and geting blue screens over and over, I think i found the culprit.
 
I recently went to SLi, and never ever having any problems in the past, prior to installing a second card. After I went sli i started to get lots of popping and glitching noises in my audio. So thinking I must of did something to corrupt a file. I reinstalled all audio drivers, still happened, downloaded other drivers that were made by users for the (soundblaster z) and it continued. Now i use to have it in my 1x slot but had to move it because it was in the way of my other video card.  I also upgraded to windows 10 and afew months of this problem i just gave up and excepted it. Until of course i would have to restart after it got bad enough that it just destroyed my ears.
 
So then comes my new ram. For the life of me could not get them stable...  Until i had a thought. What if my sound card (That has been causing so much trouble for me anyways) has been causing these problems.  Well It seems that is what has been causing it. I uninstalled it and removed the card. So far Iv only gotten one blue screen, but the blue screen wasnt the same as its always been. Im thinking i might need to just reinstall everything over again and make sure there was no corruptions from the vast amount of times windows would crash...  But so far no pops hickups or weird hangs.   (Also games and windows itself feel less jittery)
 
So has anyone heard of this before?
 
One last thing Id like to ask the evga folks is, would using a 4pin molex at the bottom of the board help with any of this since I would be running 3 different pcie cards?  I actually dont remember it being there until i was reading some more about it today and finding a topic about sli and using it for when sli is active?  What exactly does it do and is it truly required if im only running 2 cards. Ill run the board with it if i have to for stability reasons otherwise id like to not for the sake of having more wires ran.

AKToronto
Yeah since your running 780Ti's in SLI (especially classy and kingpin varieties), I would definitely suggest you use the auxillary power for the PCIE lanes... ALSO remember to change the BIOS setting too so that it draws from the auxiliary and not the main mobo power... Your blue screens are all likely a result of not enough pcie power, etc... Especially since you only noticed it gaming.
 
And since you've got a high end system, your likely running a bunch of fans, water pump, etc too off the mobo, so again anything to ease the pressure off the the pcie lanes is great

 
Thanks for the response. Im realizing that too. I have all fans pumps and everything else running off a fan controler or strait molex to help keep power down from the mobo. Will look into getting a molex routed to it this weekend. Its blizzarding out. Might as well do it when i leave work here lol.

These should be a good read for you to review - help OC your 4790
 
http://www.overclockers.com/3step-guide-to-overclock-intel-haswell/
 
http://www.overclock.net/...-overclocking-oc-guide
 
http://www.overclockers.com/intel-i7-4790k-devils-canyon-cpu-review/
 
 

Taint3dbulge

Picked up some Gskill 2666 ram. (F3-2666C12D-16GTXD)  The pc boots up fine when i installed it set it to xmp profile and made sure the voltages where at its recommended speed. After 10 to 15 minutes or so it blue screened, then the computer would just boot for 2 seconds and turn off over and over. So I turned it off restarted it, it started up but beeped and had the 55 code.
 
So i cleared cmos it started fine, and played bf4 for 20 min and blue screen.  So cleared cmos and upped the ram voltage to 1.67, it lasted almost 45 minutes before a blue screen, then it would just happen over and over..
 
So not sure what to do..  The ram was tested and was fine before I got it, so it cant be the ram. I also went back to my old ram 4 sticks of 2400mhz gskill ram. The computer was fine the rest of the night..
 
So what is going on with it?  I put the ram in spots 1&3 like it says to do in the manual.. I have read online that its supposed to be 2&4, not 1&3. Could this be the reason why?  Do i need to up the voltage on any other parts of the board also?
 
Right now I have my 4790K oced to 4.8ghz at 1.275+5, the ring ratio is at 4.4 at 1.260+5 and cpu input voltage is at 1.895. I have tried upping this alittle but still blue screening.
 
Thanks for any help guys..  Will try slots 2&4 when I get home tonight, just not sure what else to do.
 
 
Parts list is
4790k
z97 classified
soundblaster z
evga g2 1300 psu
780ti classified and 780ti kingpin
 2 samsung 940pro's
Windows 10 64 build 10586.3

 
Unless I'm mistaken, it appears the RAM you've chosen isn't listed as 'supported' in the compatibility list.  Do you think this could be a factor?
 
I just bought this same board and I'm having a hell of a time finding the RAM I want, isn't out of stock, and is compatible.  I'm doing a brand new build and this RAM selection is the one thing that's kept me from clicking 'check-out' yet.
 
Do any of you have any suggestions on 16GB of RAM for the x97 Classified?  Will I notice much of a difference between the lowest compatible 1600 and the fastest compatible 2666? 
 
Lastly, are there any other reliable compatible RAM sticks that aren't listed - but known to work great?
 
Thanks guys and I hope you've figured it all out ok, buldge

The ram Im using is supported.
 
Look under the QVL
 
http://www.gskill.com/en/product/f3-2666c12d-16gtxd
 
 
One thing to note though, Iv had one hell of a time getting the thing to stable out..  Was able to get stock timings but had to up my VSA to 1.25v and IOA/IOD to 1.5v and bump my cpu vcore quite a bit.. It seems most asus boards you can use auto settings with this set of ram.
 
As of right now though I really want to have lower timings so it seems setting the speed to 2600 seems to ease things quite a bit.
 
Will post back later when I get all timings set to where I want them. Ill post all my settings to, so I can help out anyone that needs it. Since there is a big lack of guides or anything with people using this board.  Also seems super weird that there are like zero reviews on this board also from tech sites.

oG kill3r
My memory is not listed on the QVL  , i want to buy this board but not new memory ? Will my current memory work ?
 
http://www.gskill.com/en/product/f3-2400c10q-32gtx

I can not 100% say, "yes, it will absolutrly work" but the QVL only shows the memory modules and part numbers that EVGA has had the chance to test. If it isn't on the list, that means they probably haven't had the modules to test.

Thanks just ordered !

Memory is playing nice with the Z97 classified  now to overclock this 4790k