A bummer EZ Mode didn't work. All CPU's have different maximum overclock speeds and it's not always an easy road.
I don't claim to be an expert on overclocking, but here's some info to start with.


First do a stress test and see how your cpu is doing on stock settings:

For stabilty/stress testing there's RealBench (http://rog.asus.com/articles/news/realbench-v2-43-new-version-available-now/), Prime95 (use version 2.66 and NOT newer, because it can overheat your processor), Intel XTU (https://downloadcenter.intel.com/download/24075/Intel-Extreme-Tuning-Utility-Intel-XTU-)
Run the stress test for at least 20min's to begin with and monitor your temperatures using RealTemp (https://www.techpowerup.com/downloads/SysInfo/Real_Temp/), CoreTemp (http://www.alcpu.com/CoreTemp/), HWInfo ((be sure to download the 64bit version) https://www.fosshub.com/HWiNFO.html) or similar.
Do this for every different overclock you try.

ABORT THE STRESSTEST AND DOWNCLOCK IF THE TEMPS GO OVER 80-85!
For longer time usage under normal load you should try to stay at max. 75 degrees. (Gaming, Encoding for long times etc.) You can use AfterBurner to monitor temps while in game, it can also be used for logging. Here's Nate152's guide on AfterBurners OSD: https://rog.asus.com/forum/showthread.php?85733-ON-Screen-Display


If you want to try another utility for automatic overclocking, you can use the Intel XTU software which was mentioned in the stress test part. (https://downloadcenter.intel.com/download/24075/Intel-Extreme-Tuning-Utility-Intel-XTU-)




These two threads could give you some info if you want to try manual overclocking:

https://rog.asus.com/forum/showthread.php?38018-Ivy-Bridge-E-Easy-Overclocking-Guide-%96-The-Listy-W...

https://rog.asus.com/forum/showthread.php?73765-I-humbly-need-help-overclocking-my-4930k-on-rivbe



You should try to up your speed in small steps and see how high a frequency you can get to before temperature or instability becomes a problem.



From Raja's overclocking guide:

First of all, the same as I already said:
"Standard disclaimer: Overclocking is not guaranteed to work, or guaranteed to be reliable. Do so at your own risk."

1) The first thing to do after applying the overclock is to complete some form of stability testing within the operating system. There are a multitude of programs available to do this, and each has its merits/shortcomings. Running a variety of different stress tests and applications is recommended to gauge system stability.


2) Check CPU and system temperatures under load are not too hot. At higher temps, the system is more prone to instability. We recommend keeping the CPU core temperature below 75C under maximum load.

3) If your cooling and CPU is up to the task, then you may wish to overclock the system further. Either way, we starting at 4.3GHz, and tuning VCore to it’s lowest stable point first. The lowest stable point is where the system can reliably pass all stability tests. I usually find the lowest Vcore the system will pass all stress tests at and then add +0.02V to Vcore for good measure.

From there, increase the CPU ratio in +1 steps, and keep an eye on how much Vcore you need to add to get the system stable. Check CPU temperatures under load also. At the point where one needs a big increase of Vcore for another 100MHz in CPU frequency, it’s wise to back down to the lower ratio and run a lower frequency. We can call this the M.E.P. – most effective point. Each CPU has one. Running an overclock at the CPU's "MEP", ensures that current consumption does not become excessive and it’s kinder to the silicon. On top of that, a paltry 100MHz increase in frequency is not worth the extra power it takes to obtain – the performance "improvement" is not worth it in my view.




-Mikael