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[Official] The Ivy Bridge Stable / Suicide Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 104

post #1031 of 3804
Quote:
Originally Posted by Aparition View Post

Explain!
Do you need higher PLL with higher BCLCK?
Is that why people can set to 1.5 at 100 BCLCK?
That kind of makes sense when you look at the Asus TEP switch which overclocks the system by bumping BCLCK to 103.3. PLL is set to 1.8xx via auto.
Interesting... thinking.gif

I kept PLL at 1.55v and bclk at 100 for afew days overclocking, as soon as I set bclk to 103 I wasnt stable unless i raised PLL by just a bit, changing vcore made no difference only raising PLL allowed me to raise bclk.

PLL does not lower temps and I found lowering it did not increase stability.

Each time you adjust something in the BIOS it recalculates voltages, vccio etc, sometimes my voltages will change by 0.02+- for no reason and thats where I imagine this PLL does this and that came from.
Edited by MaFi0s0 - 6/7/12 at 8:08am
post #1032 of 3804
@Iketh

I'm sorry, how it is a horrible advice? It works well for me and other people. Even LN2 guys thinks at least 75% LLC is good.
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post #1033 of 3804
Quote:
Originally Posted by IronWill1991 View Post

@Iketh
I'm sorry, how it is a horrible advice? It works well for me and other people. Even LN2 guys thinks at least 75% LLC is good.

High LLC is great for going for High OC when you are working with High Load on the CPU.
It gets a little tricky though when you want to use the offset settings and take advantage of low load CPU scaling for power savings. High LLC isn't as helpful when dealing with idle and low load CPU settings.
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post #1034 of 3804
i just updated my bios and after that i figured imma try the offset overclocking myself aswell. on fixed voltage it ran prime 26.6 at 4.8ghz-1.235V and 27.7 at 4.8ghz-1.25.
when i try to set my cpu to 4.8ghz i need a +0.150V offset to get the same voltages as on manual(~1.25) but with a reduced LLC(lvl 1 to lvl 3) running prime now, seems to be going fine(now whea errors yet)
Edited by punceh - 6/7/12 at 12:57pm
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post #1035 of 3804
Quote:
Originally Posted by IronWill1991 View Post

@Iketh
I'm sorry, how it is a horrible advice? It works well for me and other people. Even LN2 guys thinks at least 75% LLC is good.

that's exactly what highest LLC is recommended for... exotic cooling...
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post #1036 of 3804
Quote:
Originally Posted by Iketh View Post

that's exactly what highest LLC is recommended for... exotic cooling...

They are talking about what LLC people with normal cooling should have.
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post #1037 of 3804
well regarding LLC theres a difference in using it with manual voltages and offset. if you are using manual voltages i would definately use a high LLC value because it is only going to fail during load. getting your vdroop minimum is best that for example: chip passes load at 1.2, you can do 1.25V and use LLC 5 to get your load voltages 1.2 because of vdroop, or you can put 1.20V with LLC 1 and get your voltages... 1.2V(idle and load). this will reduce your idle voltages wink.gif of course there can be some minor spikes using a high amount of LLC but those wont make up for the time your chip is idle at 1.25V im guessing.
offset is a whole different ballpark though, as LLC idle voltage "improvement" is not relevant due to your chip running at less volts at idle anyway. at load a higher LLC will only "spike" the voltage.
im not sure if this is correct at all, but thats what i think.

edit: i gave up on offset btw, i needed to push more volts trough the chip to get it actually stable for some reason(im guessing lower LLC) and the idle temps/volts are low enough on manual to not worry about. im sure offset can be good for some chips just not for mine tongue.gif
Edited by punceh - 6/7/12 at 1:24pm
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post #1038 of 3804
Quote:
Originally Posted by gomango View Post

Yes, I did set PLL to 1.60v to lower temperatures but have since tried it back at 1.80v and it didn't make any difference so I thought there was no harm in leaving it at 1.60v.
I've set LLC to "Turbo". On the Z77X-ud5h the available settings are "Low / Med / High / Turbo / Extreme". Do you suggest going up to Extreme to get more volts under load? By the way, my VID at 4.4Ghz is 1.276v as reported by Core Temp. Is this in anyway indicative that my 1.284v Vcore under load should be sufficient?
No, I'm not using DVID offset - my Vcore stays high even when clock speed drops due to C1E.
Do you think IMC voltage will help stabilise the Custom Blend with ~90% RAM test? I'm hoping Vcore isn't my only hope as I'm at the edge of my cooler's abilities.
Changing IMC & PLL is not going to do anything for you, IMO. Basically your cpu needs x amount of voltage and your cooler can't keep up at that voltage.
post #1039 of 3804
Quote:
Originally Posted by mandrix View Post

Changing IMC & PLL is not going to do anything for you, IMO. Basically your cpu needs x amount of voltage and your cooler can't keep up at that voltage.

I tried an interesting experiment overnight... I set the multi down to 43 for 4.3Ghz (down from 4.4) while leaving all the other settings the same. Guess what - exactly the same result - Custom Blend with 90% RAM stopped at the 6 hour 48 minute mark. Do you think it's strange I didn't see any improvement (except that temperatures dropping)?
post #1040 of 3804
What is the max voltage via intel spec?
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