Ok, explain to me how to use offset

[Kenmitch]

For the most part LLC will only effect vcore under loads. The -/+ offset value will effect vcore at idle/load.


If your cpu was stable at 4.5ghz 1.23v's on fixed voltage then most likely it will still take around the same voltage to be stable on offset voltage also.


Yes changing LLC higher will increase loaded vcore and changing it lower will decrease loaded vcore even if you don't touch the vcore offset.


Have you tried playing around with the lowest LLC setting yet? 4.5ghz doesn't seem to be that high of an overclock for IB? My 2500k required less voltage to be stable at lower clocks with LLC set to normal(lowest)


IB's vcore is dynamic. It will fluctuate by amount of cores loaded, multiplier being used, and somewhat by what is hitting the cores. This is kinda the only thing that makes overclocking modern Intel chips somewhat challenging. SB's are the same way.


You can kinda see this by playing around with IBT and amount of threads you hit with it. The fewer the threads you hit the lower the loaded vcore will be. This is what kinda makes using offset voltages harder than just using a fixed value. You might wind up needing about .010v or so more vcore under 4 core load than if you used a fixed value. In the end you might just go back to a fixed value and say it's not worth the hassle to save a little more power at idle.

 

[Kenmitch]

So, set it to auto? Or 0%? But auto increases my load voltage up to like 1.24 which seems a bit high for 4.5 doesn't it?

My old Asus board had normal. If yours has that try it and see. If not set it to the lowest value available.

 

[MPiland]

Yeah, I think normal is 0%? I know it has 0%, 25%, 50%, 75%, 100%. I'll try it on lower LLC. I've just been reading about people putting theirs on higher, but maybe that's for 4.6+ OC. I'll try the lower LLC with a positive offset and see how that works out. I was trying to get around 1.21v or so but keeping my idle lower at the same time. I'll see what I can do. Thanks

 

[Kenmitch]

Yeah, I think normal is 0%? I know it has 0%, 25%, 50%, 75%, 100%. I'll try it on lower LLC. I've just been reading about people putting theirs on higher, but maybe that's for 4.6+ OC. I'll try the lower LLC with a positive offset and see how that works out. I was trying to get around 1.21v or so but keeping my idle lower at the same time. I'll see what I can do. Thanks

If no normal setting then 0% should be it.

Just remember to do some 1,2,3,4 thread testing once your All thread stable to make sure.

Random bsods, lockups doing stupid things like web surfing, etc are the result of just a tad too low vcore. Most of the time tho you'll only run into this at higher overclocks. IB's overclock is dictated by ones cooling solution more than how high it could clock tho.