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*Official* Intel DDR4 24/7 Memory Stability Thread - Page 75

post #741 of 4976
I thought an LLC of lvl4 would induce less voltage when under load and actually have a bit of droop. Didn't know it overshoot by .01v eek.gif
post #742 of 4976
Quote:
Originally Posted by sexpot View Post

I thought an LLC of lvl4 would induce less voltage when under load and actually have a bit of droop. Didn't know it overshoot by .01v eek.gif

Hewllo

Doubtful you are seeing 0.01V overshoot above unity with LLC set to 4. Please describe testing methodology, equipment used and settling time.
post #743 of 4976
Quote:
Originally Posted by sexpot View Post

^ I'm not sure about changing timings within Windows, but I believe the better route would be to change parameters within the UEFI.
I kinda did that for the last past few days biggrin.gif and so far it works pretty good(no problems) restarting for every small change is x.x


Does anyone here have an ASRock board BCLK who can explain me how I can OC my BCLK strap?

I can't seem to raise my BCLK(strap) at all or I don't understand how it works on my x99 Extreme6 /3.1, there is one options which sais BCLK/PCIE Ratio which i can change to 1, 1.25, 1.66, 2.0(or something like that) but it doesn't do anything at all. sad-smiley-002.gif
Can't OC my RAM past 3200 thx to it. frown.gif

Am I doing something wrong?

UEFI looks like this btw
post #744 of 4976
Quote:
Originally Posted by Strife21 View Post

Memory: G.Skill DDR4 3000mhz Rip Jaws 4 2x8gb F4-3000C15D-16GRK
Strife21--i56600K @4.6/4.6---3000Mhz-C15-15-15-35-1T----1.40v---SA 1.15v--VCCIO 1.20v --HCI 1733%

Running CPU at 1.35v and level 4 LLC

Prior to bios 1402 on the Asus Maximus Hero VIII I was not able to get these stable at 1T. This bios has seemed to help.


Quote:
Originally Posted by Praz View Post

Hewllo

Doubtful you are seeing 0.01V overshoot above unity with LLC set to 4. Please describe testing methodology, equipment used and settling time.

Hi Praz,

I was just basing that comment from the CPUz screen and the posted 1.35v + llc 4.
post #745 of 4976
Quote:
Originally Posted by sexpot View Post


Hi Praz,

I was just basing that comment from the CPUz screen and the posted 1.35v + llc 4.

Hello

There is nothing in that screenshot regarding overshoot.
post #746 of 4976
Quote:
Originally Posted by Praz View Post

Hello

There is nothing in that screenshot regarding overshoot.

Can you explain why his screen shows 1.36V then? He indicated a bios parameter of 1.35V with llc 4. Is this just a case of software error?
post #747 of 4976
Thread Starter 
Quote:
Originally Posted by Strife21 View Post

Memory: G.Skill DDR4 3000mhz Rip Jaws 4 2x8gb F4-3000C15D-16GRK
Strife21--i56600K @4.6/4.6---3000Mhz-C15-15-15-35-1T----1.40v---SA 1.15v--VCCIO 1.20v --HCI 1733%

Running CPU at 1.35v and level 4 LLC

Prior to bios 1402 on the Asus Maximus Hero VIII I was not able to get these stable at 1T. This bios has seemed to help.


Nice smile.gif Will add later
post #748 of 4976
Quote:
Originally Posted by sexpot View Post

Can you explain why his screen shows 1.36V then? He indicated a bios parameter of 1.35V with llc 4. Is this just a case of software error?

You need to read up on and understand terminology first, then take more than a passing gander at regulation. Most of the things discussed on forums regarding voltage regulation - including what you are caught up in at present - are a result of misunderstanding and a lack of knowing what is important.
post #749 of 4976
Quote:
Originally Posted by sexpot View Post

Can you explain why his screen shows 1.36V then? He indicated a bios parameter of 1.35V with llc 4. Is this just a case of software error?

Quote:
Originally Posted by Raja@ASUS View Post

You need to read up on and understand terminology first, then take more than a passing gander at regulation. Most of the things discussed on forums regarding voltage regulation - including what you are caught up in at present - are a result of misunderstanding and a lack of knowing what is important.

This ^^

Overshoot is a transient response occurring during the settling time of the circuit before the steady state voltage is achieved. There is no information in that screenshot that allows this to be determined.
post #750 of 4976
Quote:
Originally Posted by Raja@ASUS View Post

You need to read up on and understand terminology first, then take more than a passing gander at regulation. Most of the things discussed on forums regarding voltage regulation - including what you are caught up in at present - are a result of misunderstanding and a lack of knowing what is important.
Quote:
Originally Posted by Praz View Post


This ^^

Overshoot is a transient response occurring during the settling time of the circuit before the steady state voltage is achieved. There is no information in that screenshot that allows this to be determined.

Oh, so it's not the actual stabilized cpu vcore displaying in cpuz... to measure the overshoot would require a scope to see the switching frequency of the idle / load transition correct?

I am confused because I thought with the uefi set to 1.35v and a lower llc level of 4, cpuz would be displaying less than 1.35v on the vcore when under load. my hardware is currently boxed up right now waiting on more parts, so I can't test :s
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