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Pushing my chip to the limit!!! - Page 2

post #11 of 41
another thing to think about is you might be at your mobo's base clock max. i would reall suggest dropping the multi to 10 and finding you max base clock
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post #12 of 41

Get rid of the cheap generic DDR3-1333 CL9 value RAM and get a DDR3-1600 kit.  This is holding back your potential by preventing an effective bus clock overclock (and CPU overclock) past a certain point (approx. 3.6Ghz CPU for you).  Low binning of your generic kit may prevent you from reaching the frequencies you want.  A DDR3-1600 kit is somewhat binned for performance and a huge step up from generic DDR3-1333.  Now would be the time to upgrade with RAM prices low.

post #13 of 41
Thread Starter 
Quote:
Originally Posted by Asustweaker View Post

another thing to think about is you might be at your mobo's base clock max. i would reall suggest dropping the multi to 10 and finding you max base clock

Thank, I upped the vcore one more time, I can't take any more voltage so if this doesn't stand I will do that for sure.

I set it to 1.45xxx(625) I think but under load it goes to 1.49v....is that too much??
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post #14 of 41
just adding voltage to the vcore is not gonna fix your stability. I would focus on finding the max bsclock right now. then move on to max NB freq, usually around 2800 mhz.

Do not overclock your memory at all, drop down to find your other freq. max's first. The increase in NB freq, helps with stability a great deal.

Drop the multi, drop the vcore. add 10 mhz at a time till it crashes under stress and back it off 5 till the bsclock is stable. Are you using an OC utility in windows??
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post #15 of 41
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

Get rid of the cheap generic DDR3-1333 CL9 value RAM and get a DDR3-1600 kit.  This is holding back your potential by preventing an effective bus clock overclock (and CPU overclock) past a certain point (approx. 3.6Ghz CPU for you).  Low binning of your generic kit may prevent you from reaching the frequencies you want.  A DDR3-1600 kit is somewhat binned for performance and a huge step up from generic DDR3-1333.  Now would be the time to upgrade with RAM prices low.

Ya I know its what I have right now so Ill have to deal with it. Would that be a reason for "rounding errors" in P95?

I upped the RAM voltage to 1.6 from 1.55. Its only OC'd like 40-50Mhz
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post #16 of 41
You can't do it without playing this:


post #17 of 41
I think most of what you are running into is your CPU/NB needing more voltage,

Try this out:

FSB @ 265

Voltages:
CPU @ 1.375v
CPU/NB @ 1.375v
Ram @ 1.65 - 1.66v

Multipliers:
Cpu @ 14 = 3710
Cpu/NB @ = 2650
Ram @ 5.33 = 1412.45
HT @ 7 = 1855


Remember that the HT can cause instability real quickly when overclocked, either compensate with voltage or lower the multiplier.
The CPU/NB will also cause large instability when not given enough juice.

Your Largest hurdle is your ram at this point. lower the ram timing from 1t to 2t will help with additional OC headroom as well.
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post #18 of 41
Thread Starter 
Quote:
Originally Posted by MadGoat View Post

I think most of what you are running into is your CPU/NB needing more voltage,
Try this out:
FSB @ 265
Voltages:
CPU @ 1.375v
CPU/NB @ 1.375v
Ram @ 1.65 - 1.66v
Multipliers:
Cpu @ 14 = 3710
Cpu/NB @ = 2650
Ram @ 5.33 = 1412.45
HT @ 7 = 1855
Remember that the HT can cause instability real quickly when overclocked, either compensate with voltage or lower the multiplier.
The CPU/NB will also cause large instability when not given enough juice.
Your Largest hurdle is your ram at this point. lower the ram timing from 1t to 2t will help with additional OC headroom as well.

Awesome thanks. The settings I updated in my OP have been stable for about 25min so far and going, I hope its stable thumb.gif

Even if it is I will try your settings cause they yield faster speeds biggrin.gif
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post #19 of 41
Thread Starter 
Sorry for the double post but does anyone know roughly how long it takes for P95 blend to cycle through its full set of tests?
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post #20 of 41
actually not too sure about that, i do know that it can take up to 8 hrs to fail. The nb gets a butt kicking around that time. My 4.2 was stable four 7.5 hours, at 8 hours it would crap out. it needed MOAR volts on the NB\CPU.

Getting rid of the crappy ram is the top priority.

Have you adjusted your clock skew yet?

And does the 820 have an unlockable cache?

EDIT: just saw the rig in you sig LOL
Edited by Asustweaker - 1/8/12 at 12:29pm
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Wet Willy
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