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Why does LLC increase idle voltage? (lynnfield)

Asus (p7p55d pro) , i5-750

 

I'm just wondering why LLC increases idle voltage and not just load voltage.
Wouldn't it make more sense to leave idle voltage alone and just increase load voltage to maximize stability under load?

 

My board only has 2 LLC modes, Enabled and Disabled. When I enable LLC, it raises my idle Volts by about 0.03. This means that when leaving LLC ON, I have to lower my Volts by 0.03 ro avoid hitting the 1.4V limit.

 

Unconfirmed: it feels like I can overclock slightly more with LLC off. With LLC off my offset can be set 0.03 higher without going over 1.4V.

 

Thanks!

 

EDIT: side question; should I use Small FFT or Blend in Prime95 to test max BCLK (a.k.a. lowerd multiplier, maximum BCLK)

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Because that's how it compensates for vdroop, so that your load voltage is in line with what you set. The goal of LLC is not to make your OC stable at whatever load voltage it takes, but to prevent that your load voltage from falling too far from what you set it to (ideally, to be exactly what you set it to). 

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