Arne’s guide to PC building happiness

[Arne Saknussemm]

trying like heck to crack 20K

Hey rjbarker! Yes...that was good fun...took a lot to crack 20 on those CPUs and that gen of GPU!

That's still my favourite build...learned a lot on that one

[rjbarker]

^^^^ Those 3930K Chips were great OC'ers!!! Now im trying to wrap my lips around Adaptive vs Offset.....cant seem to consistently get a "handle" on my vcore with Adaptive...unpredicatable..the vDrop and vDroop....I may try Offset Mode again....

[Arne Saknussemm]

cant seem to consistently get a "handle" on my vcore with Adaptive...

Adaptive first implementation was fantasticly simple and effective...from what I see it's kind of been made a mockery of by Intel...which is weird.

You get it down and sorted or is it doing it's own thing still?

[walrbe]

^^^^ Those 3930K Chips were great OC'ers!!! Now im trying to wrap my lips around Adaptive vs Offset.....cant seem to consistently get a "handle" on my vcore with Adaptive...unpredicatable..the vDrop and vDroop....I may try Offset Mode again....

Good luck with that. I gave up trying that path voltage kept changing and couldn'tlock in a baseline. I went back to manual mode.

[rjbarker]

Adaptive first implementation was fantasticly simple and effective...from what I see it's kind of been made a mockery of by Intel...which is weird.

You get it down and sorted or is it doing it's own thing still?

Hi Arnie...apologies for the very late reply (been working too much).....heres what I have found using Adaptive:

Set Adaptive to 1.285v and LLC to 5:

vCore on the Desktop at Idle: 1.31v (overshoot ? ) ...

Vcore under load : 1.20v - 1.22v (vDroop)

Its the overshoot I dont quite get......I would have thought setting vCore (Adaptive) to 1.285v that once I get to my Desktop the vCore would be slightly less .....I recall us calling that vDrop....but this is just the opposite as it goes up beyond the Adaptive setting until I applied a load....then I get the vDroop and I know I can decrease this by increasing LLC.....
Unfortunately I havent been home enough to play around too much....havent really been able to do much more than 5 Ghz with my 9900K without getting vCore up to 1.38v or so......

Thoughts?

[Arne Saknussemm]

I haven't got to play with one of those boards yet....but I seem to remember seeing that with Adaptive you now can't set a voltage that is bellow the Vid for the chip. So if the CPU is programmed with a certain Vid table and you try to set an adaptive voltage below that it will mostly ignore you.

Do you have a "best case" setting for Vid (or Svid or whatever it's called) ?

[rjbarker]

I haven't got to play with one of those boards yet....but I seem to remember seeing that with Adaptive you now can't set a voltage that is bellow the Vid for the chip. So if the CPU is programmed with a certain Vid table and you try to set an adaptive voltage below that it will mostly ignore you.

Do you have a "best case" setting for Vid (or Svid or whatever it's called) ?

Yes there is a SVID setting "Best Case Scenario"....havent played with that much...but I did read the same as what your explaining....cant set Adaptive lower than SVID..so perhaps thats what Im finding...my SVID is 1.31v......which kind of makes sense as no matter what I set Adaptive to (provided under 1.31v)....at dsktop its always 1.31v.
Someone explained setting Adaptive then the Offset Feature under Adaptive to achieve the max Adaptive voltage (a way to get around VID at idle on desktop)......
All good info...I'll be home from work for a few weeks so plan on diving right into it....

With the SVID set to "On" I really am not sure what the difference is between "Best Case Scenario" and "Worst Case Scenario" .....what do these settings actually do?

[Arne Saknussemm]

I think ASUS tests a few CPUs and can adjust BIOS settings to what they find. Bad silicon would be the "worst case" and BIOS would try to run it with lots of volts etc....best case would assume your CPU sample is a good one and allow less voltage etc.

So yeah, I would try to run "best case" and see if that allows you to shave some voltage off. Then sure...offset can shave off some more. The only problem with that, can be idle voltage is offset by the same amount.... so idle stability can be negatively affected if the offset is too great...even though at load the offset is stable....just have to play with it a bit. Preferably on an OS you don't mind corrupting....a few BSODs these days and the OS can be really FUBAR

[rjbarker]

Ok thanks Arne...think Im finally wrapping my lips around the "Adaptive Mode" now...cheers

I know Im going to have to both "up" my vCore and "up" my LLC if I want stability running either P95 (non AVX) or the new Linpack (with AVX)......but these 9900K Chips really run hot....even with my Custom Loop I can see temps cracking 80c under full load.

[mindflayer]

Great guide Arne! Thanks for the laughs while I stress test this old 5960x. It's eggxactly what I needed to pass the time.

(late to the party)