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1.536VCore For A Stable 5GHz - Get My Chip Replaced? - Page 5

post #41 of 174
Quote:
Ok, IBT reported stability at 1.488 Volts with 5 runs of Maximum. Is that good? Temps were around 67C.

Brilliant. Well done! Now save your settings in BIOS, restart, and run it for 10 runs of Maximum, then restart again and run it for 50. This is to stress your CPU to the absolute limit and to see if it copes. If it does, you can pat yourself on the back because you are rock-solid stable!
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post #42 of 174
I think your going to kill your chip.
 
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post #43 of 174
Thread Starter 
Quote:
Originally Posted by Yoshi864;12060990 
Brilliant. Well done! Now save your settings in BIOS, restart, and run it for 10 runs of Maximum, then restart again and run it for 50. This is to stress your CPU to the absolute limit and to see if it copes. If it does, you can pat yourself on the back because you are rock-solid stable!

It doesn't cope with ten, just 5. I have to set it to 1.525 in BIOS to get to 1.488 under load. It runs at 1.512 Idle. Is that OK?

EDIT: Looking at some voltages here, I found the RAM drooping to 1.632 from 1.64 Under load, that's normal I assume.
Edited by snelan - 1/18/11 at 7:18pm
    
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post #44 of 174
Quote:
Originally Posted by snelan;12061046 
Is that OK?

You have to decide the answer to "Is that OK...For what??"

If you are gaming and general stuff, you won't notice the difference.

You will only notice a difference if you are benchmarking, but then you need to ask why are you benchmarking? Do you just want bragging rights or are you doing the engineering experiment to see just how much you can get from this chip?

As far as 24/7, there are a lot of opinions (keep vcore below 1.45, below 1.375, below 1.52) but the reality is that there is no definitivie fact-based answer. Lot of conjecture, extrapolation, etc. These chips are new.
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post #45 of 174
Quote:
Originally Posted by snelan;12061046 
It doesn't cope with ten, just 5. I have to set it to 1.525 in BIOS to get to 1.488 under load. It runs at 1.512 Idle. Is that OK?

EDIT: Looking at some voltages here, I found the RAM drooping to 1.632 from 1.64 Under load, that's normal I assume.

Then it isn't stable. Either it will run LinX for ever, stable, or it won't.

Also, a page or so back, you said you had you "RAM vcore.." RAM doesn't have a vcore tongue.gif

Voltage like that slightly dropping under load is normal.

Gooddog - yes, he will notice the difference. When your clocks aren't stable, your OS becomes corrupt. You lose things. Sometimes, you lose the ability to even log in. Sometimes you lose the ability to install/uninstall things. It's not "ok" unless you think reinstalling your OS every 2 months is ok, and losing everything on your HDD is ok.
Edited by pursuinginsanity - 1/18/11 at 7:23pm
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post #46 of 174
Thread Starter 
Quote:
Originally Posted by pursuinginsanity;12061148 
Then it isn't stable. Either it will run LinX for ever, stable, or it won't.

Also, a page or so back, you said you had you "RAM vcore.." RAM doesn't have a vcore tongue.gif

Voltage like that slightly dropping under load is normal.

Sorry, RAM, RAM Vcore, meant to say RAM Voltage but you know what I mean.
    
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post #47 of 174
Thread Starter 
Yea IBT completes 6 runs then reports instability.

EDIT: Lowered FSB by .1MHz. Took it down from 5001.7 to 4995.8.
Edited by snelan - 1/18/11 at 7:29pm
    
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post #48 of 174
Dont do it, its fun for occasional benching but its not worth it. I've set it to 4.6 and cpu nowdays wont do much after 4.4 unless u got like 4 gtx580.

To feel real life speed gain try an ssd instead.
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post #49 of 174
At this point I recommend taking the overclock down to 4.7 or 4.8Ghz with a vcore of 1.488. 5Ghz at 1.5v is just way too risky for the reward you get (200mhz on top of 4.8Ghz).

You could try running 5Ghz at a vcore of 1.49, just to see if that might just puch you into stability.

Otherwise just take it down. It's not worth it at that vcore and temps.
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post #50 of 174
Thread Starter 
Quote:
Originally Posted by kevink82;12061276 
Dont do it, its fun for occasional benching but its not worth it. I've set it to 4.6 and cpu nowdays wont do much after 4.4 unless u got like 4 gtx580.

To feel real life speed gain try an ssd instead.

I have an SSD. And your correct, this is for occasional benching.
    
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