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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 370

post #3691 of 10702
Ya I have a horrible habit of working my way down from what it is stable, I should probably start working my way up. Well at least for my next overclock venture (ivybridge MAYBE!?)
post #3692 of 10702
Thread Starter 
Quote:
Originally Posted by Ellis View Post
Ah okay, but how do I know how much LLC I need? Also, do I find that out before or after increasing the multiplier for an overclock? Do I just set a certain voltage in the BIOS, note how different it is when being reported, then increase the LLC until the BIOS setting is the same as the reported voltage?

And yeah, I've run just over 10 minutes of Blend at stock settings and it's all fine.
Well that's the thing, I would set the multi to around 40 and the vcore to 1.3v and LLC level 5. If the cpu vcore under load is still lower than what you set in the BIOS then that means you need to increase the LLC, not sure if LLC 1 is the highest or whether or not it's 10.

that's good to hear. Continue with LLC and then the guide.


Quote:
Originally Posted by crabby654 View Post
Ya I have a horrible habit of working my way down from what it is stable, I should probably start working my way up. Well at least for my next overclock venture (ivybridge MAYBE!?)

LOL it happens. Ivy will be awesome, I for one can't wait. Might create a new stable thread for that aswell or maybe even implement SB-E

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post #3693 of 10702
Quote:
Originally Posted by Ellis View Post
Excellent, thanks for explaining and for the guide. I'll reset everythang to stock now and then try that method.

How come you guys use Prime95 for testing and not something like LinX?
People still use LinX however it reached a level of absurdity recently with the addition of AVX to Windows 7 SP1. Your cores will get 10-15C hotter than the hottest temps in Prime. You probably already know that its really hard if not impossible for you to reach your Prime temps in normal use, which makes IBT/LinX truly overkill. It's always down to personal preference, but I campaign against the use of this program because I know some people might decide (because of this program) to upgrade their cooling when they don't need to.

I hit low 60s in games like Metro 2033 and 77 in Prime. In IBT (I just ran it right now to see) I hit 92C in 40 seconds. At that point I stopped it.
    
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post #3694 of 10702
Hey munaim1, what offset value should i start with?

Im using manual 1.35 for 4.6GHz
post #3695 of 10702
Well guys you know how it goes - what you've got is never enough! I originally had my heart set on 4.8GHz but couldn't stabilise it without vcore that I wasn't comfortable using 24/7 (1.488v), so settled temporarily for 4.7GHz @ 1.416v.

It's apparent that my chip isn't particularly good, however I decided to revisit my previous target with the hope of doing a better job of managing the overclock.

So far I've managed to pass both 1792 and 1344 FFTs with 4.8GHz @ 1.456v - I would like it to be lower, but it's better than I had previously! I've run out of time tonight but I'll attempt the 12 hour blend tomorrow.

These are my settings;

Quote:
Multiplier: 48x
LLC: High
VRM Freq: 350
Phase: Extreme
Duty: Extreme
CCC: 140%
Offset: +0.135
VCCIO: 1.050v
PLL: 1.55v
C3/C6: Disabled
PLL Overvoltage: Enabled
My maximum temps are 71-75-74-73 which I'm happy with, that's the Kuhler 920 with Sickleflows @ 50% speed. I owe a big thanks to all of you, especially TwoCables and munaim1 for all the invaluable information in this thread.

I do have one question though - I'm sat looking at CPU-Z and my chip is idling at 1600MHz, but the voltage is constantly jumping like crazy, from as low as 1.13v up to ~1.4v while the core speed stays at 1600MHz. Is this normal?

Forgive my ignorance, I'm new to all this!
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post #3696 of 10702
Thread Starter 
Quote:
Originally Posted by donkrx View Post
People still use LinX however it reached a level of absurdity recently with the addition of AVX to Windows 7 SP1. Your cores will get 10-15C hotter than the hottest temps in Prime. You probably already know that its really hard if not impossible for you to reach your Prime temps in normal use, which makes IBT/LinX truly overkill. It's always down to personal preference, but I campaign against the use of this program because I know some people might decide (because of this program) to upgrade their cooling when they don't need to.

I hit low 60s in games like Metro 2033 and 77 in Prime. In IBT (I just ran it right now to see) I hit 92C in 40 seconds. At that point I stopped it.
Very true, my temps with prime blend after 12hours peaked at 70c no higher and averaged at mid 60s, gaming it never really goes above 55c. With IBT with a few seconds my temps went to a ridiculous 82c and for what???? bleurgh!!! I too, don't like that espically when it isn;'t the best tester for sandy, doesn't really make sense to use it.




Quote:
Originally Posted by McLaren_F1 View Post
Hey munaim1, what offset value should i start with?

Im using manual 1.35 for 4.6GHz

Ummmmm.... not sure bud, I only recently started using offset.

You could try setting the multi to 40x and the offset to +0.05 and then run prime blend and see what vcore it is and then continue upping the offset until you get to your desired votlage, then just set the multi back and hopefully it shoudl be fine.




Quote:
Originally Posted by Smo View Post
Well guys you know how it goes - what you've got is never enough! I originally had my heart set on 4.8GHz but couldn't stabilise it without vcore that I wasn't comfortable using 24/7 (1.488v), so settled temporarily for 4.7GHz @ 1.416v.

It's apparent that my chip isn't particularly good, however I decided to revisit my previous target with the hope of doing a better job of managing the overclock.

So far I've managed to pass both 1792 and 1344 FFTs with 4.8GHz @ 1.456v - I would like it to be lower, but it's better than I had previously! I've run out of time tonight but I'll attempt the 12 hour blend tomorrow.

These are my settings;



My maximum temps are 71-75-74-73 which I'm happy with, that's the Kuhler 920 with Sickleflows @ 50% speed. I owe a big thanks to all of you, especially TwoCables and munaim1 for all the invaluable information in this thread.

I do have one question though - I'm sat looking at CPU-Z and my chip is idling at 1600MHz, but the voltage is constantly jumping like crazy, from as low as 1.13v up to ~1.4v while the core speed stays at 1600MHz. Is this normal?

Forgive my ignorance, I'm new to all this!
LOL you should read my disclaimer

Temps are looking quite good, 4.8GHz @ 1.456v is 'okayish' but if it needs the volts, it needs the volts and there aint much you can do except tweaking it as best as you can.

I always recommend people using the manual voltage when finding your overclock and your vcore for it at first and then you can switch to offset if/when required.

I believe the reason why it does that is because of background processes, even though it may show that the cpu is idling 99% of the time, the other 1% is doing 'something' which in turn requires that 'bit' of voltage. I may be wrong but I think that is why you will get votlage fluctations.

Right now, my cpu vcore goes all the way from 1.160v to around 1.340v.

I would say it's normal


And no worries, always happy to help fellow OCN members
Edited by munaim1 - 9/9/11 at 7:30pm
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post #3697 of 10702
So hmm this is something I have not figured out yet. I am using the Offset setting for my VCore and I have it set to +0.040 atm...eer, how do I make it so at full load it goes to the next step down? I set it to +0.035 and its still at 1.400v under load.
post #3698 of 10702
Thread Starter 
Quote:
Originally Posted by crabby654 View Post
So hmm this is something I have not figured out yet. I am using the Offset setting for my VCore and I have it set to +0.040 atm...eer, how do I make it so at full load it goes to the next step down? I set it to +0.035 and its still at 1.400v under load.
try 0.030 then 0.025, if they don't work well then try clearing the CMOS and trying again. Sometimes with these things, the BIOS starts acting funny, it may not be registering the changes that you're making, therefore a CMOS reset shoudl do the trick.

Also try using LLC high instead of Ultra high. With my mobo, with manual votlage I found ultra high to be the best, for offset High worked better, it reduced votlage fluctuations for me.
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post #3699 of 10702
Okay, I think this is my last question about LLC. Is it better to have a slightly too low voltage or too high? I've set the voltage to 1.30V in the BIOS, level 4 gives me 1.28V and level 5 gives me 1.32V. Which is preferable?

Sorry about all the questions, lol

EDIT: Am I supposed to be looking at load voltage? Because I'm getting 1.28V load and 1.31V idle.
Edited by Ellis - 9/9/11 at 7:37pm
post #3700 of 10702
Hmm so I did everything and nothing seems to want to lower the VCore, how odd. I set it to manual and 1.375vcore but then it didnt lower the vcore at idle...hmmmmm
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