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TweakTown's Ultimate Intel Skylake Overclocking Guide

By: Steven Bassiri | Guides | Posted: Dec 21, 2015 3:11 pm

The Board




ASUS's Z170 series Maximus VIII Extreme is loaded like most ROG Extreme series boards before it. It also matches quite well with both memory kits. The Maximus VIII Extreme was used for Cache/CPU/Memory scaling tests in this guide. The ROG UEFI has some of the most extensive options, and ASUS has two guides for figuring them out. ASUS has a 6700K OC Guide and a ROG Extreme OC Guide.





ASUS's OC Panel II is included with the board and has a plethora of uses. It allows for remote control of the motherboard and CPU through hardware. It does take a few minutes to get used to the menus and layout of the digital panel, but after you get the hang of it things become quite simple. One feature I found useful for extreme overclocking is ASUS's "Retry" button that allows for the reapplication of last settings in the UEFI so if you fail to boot once you can manually control how many times it attempts to boot. If you would like a more in-depth look at the board, the review is here.



LLC Performance




ASUS's LLC is quite good, and there are many levels.



BIOS Special OC Profiles




ASUS provides these OC Profiles for their ROG Series boards. They will change the settings in the UEFI so that you can see what ASUS changes with their custom settings and go from there.




ASUS also provides a large number of memory profiles, perhaps the most. First you choose the type of memory ICs present on your sticks then you are taken to a deeper menu with many different profiles for each type of memory IC (not shown).



BIOS Power Savings




ASUS's Turbo, EIST, and C-State options are available on a single page. I wouldn't touch them if you want the CPU frequency to stay at its maximum, instead, just change the power plan in the power options menu located in the control panel in Windows to "High performance".



BIOS PWM Options




ASUS has a wide variety of PWM options including over current protection, switching frequency, spread spectrum, power duty control, phase control, and thermal control. I did not need to expand any of these for normal air or water overclocking, and I don't think you will need to either. However, ASUS's guide specifies how to set these up properly for extreme overclocking with dry ice or LN2.



OC Software




Apart from ASUS's main software suite with auto overclocking (Dual Intelligent Processors 5), they also offer TurboVCore, which is a lightweight in-Windows OC program. MemTweakIt provides memory timings.

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