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***Intel Pentium D 840 Smithfield Dual Core Bouncing***

post #1 of 27
Thread Starter 
I have this PRocessor on an Intel D101GGC motherboard and CPU shows it bouncing back and forth without any apparent rythem... it Goes from 2.8ghz to 3.2ghz...

Seems to be the Multiplier move from 14 to 16... I've tried different versions of CPU-Z as well...

Also when in the "general" tab of "My Computeer Properties" it shows the Processor at 3.2 but only with 512mb or ram installed when there is actually 2gb....

OS is XP and no additional SW, just drivers....

Any help would be great!
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post #2 of 27
That is completely normal. It's called Speedstep, and is a technology by Intel to lower the CPU clocks when full speed is not needed.

It also helps saving power.
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post #3 of 27
Thread Starter 
Quote:
Originally Posted by PanicProne;13800214 
That is completely normal. It's called Speedstep, and is a technology by Intel to lower the CPU clocks when full speed is not needed.

It also helps saving power.

Got it. Thanks for the Clarity? how will that affect OCing?

Also, I found the reason that XP was reporting only 512mb of Ram.... 1 of the 2 1gb sticks of Ram was bad.... Left it out after pin pointing whcih one it was then booted back up and check my PC properties general Tab and sure enough it reported 1gb...
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post #4 of 27
If you decide to OC, then you'll need to disable speedstep, C1E, EIST, and any other power saving features.
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post #5 of 27
Thread Starter 
Quote:
Originally Posted by Inteller;13800547 
If you decide to OC, then you'll need to disable speedstep, C1E, EIST, and any other power saving features.


Correct.

But here's the catch, I have "always on" enabled in the power scheme and I don't see an option for it in the 0313 BIOS for the Intel D101GGC motherboard that the Processor is installed in...

P.S. What would be a good program to OC this CPU on this motherboard with?
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post #6 of 27
Is this a store bought computer?
Or did you build it?

Without being able to get into the bios and tweak these and more, settings, I can't be much help to you.
I just don't trust 3rd party apps to OC

You could try ClockGen.
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post #7 of 27
Thread Starter 
Quote:
Originally Posted by Inteller;13800859 
Is this a store bought computer?
Or did you build it?

Without being able to get into the bios and tweak these and more, settings, I can't be much help to you.
I just don't trust 3rd party apps to OC

You could try ClockGen.
I aquired it from a friend.....

I've never used Clockgen.... Is it any good? I did a stress test for a few minutes on this processor otday at stock speed with Cooler that had only a fasterm fan on it and the thing got about 77*C when I stop the test. Would it be owrth it to throw an extra water cooling loop that I have laying around on it?
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post #8 of 27
About the water cooling loop, most definitely it would be worth it, IF you do plan on overclocking it!

I know some people that used it, and they say it works good, but I have no first hand knowledge.
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post #9 of 27
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post #10 of 27
Thread Starter 
Quote:
Originally Posted by Inteller;13805891 
About the water cooling loop, most definitely it would be worth it, IF you do plan on overclocking it!

I know some people that used it, and they say it works good, but I have no first hand knowledge.


nice thanks! Here is a list of boards that I would consider getting for it....

What would you recommend keeping in mind that I would be OCing and getting new Ram (Taking recommendations for that also) as well and would like to use 2 XFX 7900gs in Sli on the new board....

Thanks!
Edited by Mastiffman - 6/8/11 at 10:37pm
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