https://linustechtips.com/main/topic/483370-easy-explanation-of-adaptive-voltage-on-asus-rog-boards-...http://www.tweaktown.com/guides/7481/tweaktowns-ultimate-intel-skylake-overclocking-guide/index5.htm...https://www.msi.com/blog/why-llc-is-your-friend-when-overclockingYou can always set higher VCore so the CPU remains stable when voltage drops and current increases under load. Until you reach a point where low-load VCore is too high, so you instead use Load Line Calibration (LLC). LLC adaptively compensates for fluctuations ("droops") in VCore voltages.
Different motherboard manufacturers implement LLC differently. Usually in a consistent fashion across all their motherboards, although LLC qualities often vary across different motherboard chipsets or even different motherboard variants/models.
LLC is basically software running in firmware, it depends on the qualities and specifications of (mostly VRM) hardware components, it depends on timings and responses of running (ASIC/PCH) firmware/software components, it depends on the cleverness and efficiencies of design and layout for everything working together. LLC is very easy to implement ... but not very easy to implement well.
LLC (with little or no user control) is often embedded on low-end motherboards with low-end VRMs. And (with some or total user control) on high-end motherboards with high-end VRMs to allow the user to overclock multiple component parameters far beyond "recommended" or "rated" values. Misconfigured LLC settings reduce system stability.
End of story is that exactly what LLC is and exactly what LLC does and exactly how LLC works on any given motherboard has to be learned from the manufacturer. There's some comprehensive Maximus VIII / i7-6700K overclocking guides in these forums (and others, lol) which discuss LLC settings in some detail, but it's just one of those things that ASUS likes to be deliberately vague and cryptic about (partly to thwart evil competitors and partly because ASUS actually has no way of knowing exactly what quirks and qualities apply to your particular motherboard and processor parts).
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