I would suggest you manually OC in the Bios, that way you can manually set frequency and voltage.
This may help:
http://www.overclock.net/t/1401976/the-gigabyte-z87-haswell-overclocking-oc-guideYou will probably need better cooling for a decent OC.
Should you still wish to OC via AISuite, try this.
Open up AISuite, you should see that huge 4-way optimization button there to the left. Got to the screen that shows the layout of fans in your chassis.
In advanced settings pertaining to TPU, EPU and DIGI+. First, set up My Fan Expert (just de-click everything except the Fan Expert) because you want your system to use this feature while overclocking instead of overclocking in bios and then trying to get the best air movement, imo.
After that, set TPU to ratio only and extreme tuning, EPU to optimized and away mode and the DIGI+ should be on by default.
After that, boot up and let it go, If all goes well it will finalise.
There are slightly different versions of AISuite for the ROG motherboards as the rest of the series. The ROG boards have different options under the advanced tab of the 4-way optimization tool but principles are the same.
Please view this Thread:
http://rog.asus.com/forum/showthread.php?33637-Maximus-Hero-VI-AI-Suite-III-4-Way-Optimization-and-A...Good Luck and please report back.
We owe our existence to the scum of the earth, Cyanobacteria
My System Specs:
MB:ASUS ROG Crosshair VII Hero/WiFi GPU:EVGA GTX 1080 sc PSU:Corsair AX-1200i
CPU:AMD R7 2700X Cooler: Corsair Hydro H115i Case: Corsair Carbide 780t
Memory:G.Skill TridentZ F4-3200C14D-16GTZR SSD:Samsung 500GB 960 EVO M.2
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