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**Ivy Bridge Overclocking Guide** (with LN2 Guide at The End) - Page 34

post #331 of 1508
Quote:
Originally Posted by Gallus View Post

Tried all of that just now.
CPUz still reads my CPU at 1.6ghz and then shoots up to 4.5 when stress testing, then back down to 1.6 when I turn it off.
Very frustrating.
And thanks for the welcome.

Are you adjusting your core ratio or your turbo ratio in your bios?
Edited by bgineng - 5/31/12 at 12:19pm
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post #332 of 1508
I found an option that reads "Sets your MINIMUM CPU speed" or words to that effect.

When I try to change the setting, the turbo option re enables itself and grays out. But i've tried messing with both, turbo CPU speed and just CPU multiplier, both result in same underclocking when I load into desktop.
post #333 of 1508
Quote:
Originally Posted by Gallus View Post

I found an option that reads "Sets your MINIMUM CPU speed" or words to that effect.
When I try to change the setting, the turbo option re enables itself and grays out. But i've tried messing with both, turbo CPU speed and just CPU multiplier, both result in same underclocking when I load into desktop.

So you've tried Turbo by all cores at the ratio you want, cpu ratio set to auto, speedstep and c1e disabled, a fixed/manual voltage, and c3/c6 set to on or auto? This is what I use, and I have a similar bios to your board.
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post #334 of 1508
+reped ya. That worked perfectly.

But this should be elaborated in the article. The thing that might be confusing for veteran overclockers like me is that you're basically forced to "Run turbo 100% of the time".

In past, it was common practice to disable turbo boost and just set your FSB / CPU Multipliers / Dram ratios etc etc.

With this Z77 board, you have force turbo on, set turbo level, and make sure you specify in the bios that you want your system to be at turbo speed 24/7.

So it's backwards to what I'm sure many people are used to. Hope this helps.
post #335 of 1508
Yes, sandy and ivy overclock by setting a turbo frequency and not a cpu frequency. It does seem backwards, but thats just the way it is biggrin.gif
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post #336 of 1508
Thread Starter 
Quote:
Originally Posted by Gallus View Post

+reped ya. That worked perfectly.
But this should be elaborated in the article. The thing that might be confusing for veteran overclockers like me is that you're basically forced to "Run turbo 100% of the time".
In past, it was common practice to disable turbo boost and just set your FSB / CPU Multipliers / Dram ratios etc etc.
With this Z77 board, you have force turbo on, set turbo level, and make sure you specify in the bios that you want your system to be at turbo speed 24/7.
So it's backwards to what I'm sure many people are used to. Hope this helps.

that depends on the motherboard man. Some board makers allow you to just set CPu Turbo ratio and others allow you to also set CPU ratio, in many instances the board makers goes, why have both, it is confusing. But others will just turn it off. I think asrock even requires you to leave C states on.
    
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post #337 of 1508
Ah ok. I had thought that it might have been a motherboard/bios thing, but normally in the past, the basics were always the same, and the only thing that really differed from vendor / boards were extra more intricate options.

In any case. My CPU is now up to 4.5ghz at 1.2v on core. Using an H100 cooler the Prime95 goes up to about 65 - 70c when gaming, but about 80 - 85 during prime95, no blue screens though.

If I try to do 4.6ghz I bluescreen right away on prime95. It seems to stabilize 1.25 - 1.3v but the temps rise 90+ C very fast.

So is it safe to assume 4.5ghz is going to be the cap on my chip? Or do you guys know of a way I can reduce temps while upping my vcore to 1.3 - 1.4v? Or maybe alternate options for stabilization I could try that have minimal effect on heat?
post #338 of 1508
Thread Starter 
for most 4.5ghz is where it seems stable and temps are reasonable. What motherboard are you useing? Why don't you fill in your rig builder?
    
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post #339 of 1508
Quote:
Originally Posted by Sin0822 View Post

for most 4.5ghz is where it seems stable and temps are reasonable. What motherboard are you useing? Why don't you fill in your rig builder?

This^. And Ivy seems to have a pretty significant thermal wall. Once you hit it, you've found your limit.
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post #340 of 1508
Thread Starter 
Quote:
Originally Posted by 2therock View Post

Me again. I found time to look at what you suggested. I got hung up on LLC. I cannot find and LLC anywhere in my BIOS. I see line level control but its in several places so if that is it I have more than one choice.
Then there is the turbo thing. There are tons of turbos,
Heh! now you know the rest of the story................ a noob's noob!
Maybe I'm in the wrong place?
Thanks Again

there are steps dude, 3 steps, you can skip the intro if you like. It really doesn't get much more simple than set your voltage, set your multiplier, test it, enable or disable power savings and or DVID.

You can just download and load a profile for an OC frequency i made, that way you wont even have to learn how to do it.
    
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