Solved Why does CPU-Z think my cpu is runing @ 2.40?

Gigabyte / G31m-es2l
June 17, 2011 at 18:12:08
Specs: Windows 7 Ultimate, 3.78 GHz / 4094 MB
I've been over clocking an Intel Pentium D 930. Without any over clocking it supposed to be at 3.0GHz right? But for some odd reason the screen and the BIOS of my Gigabyte G31 said that it’s at 2.40GHz. So, I checked on the windows properties where the rating is at and it says that it is an Intel Pentium D CPU 3.0GHz. But then I checked on CPU-Z and it says the core speed is 2400.0MHz = 2.40GHz, which is what the BIOS say. Confusing right? But to confuse me even further the programs ORTHOS and EVEREST, which are the programs I use when I am OC testing, both say the CPU is running at 2999.9MHz. Even this website (computing.net) and its software tell me what I think might be correct.

I overclocked it and it’s running great and stable at 3.78GHz, but CPU-Z and the BIOs seem to think it’s only at 3.03GHz!

I want to know why this is happening and which is right! What is telling me the truth my BIOS and the CPU-Z or everything else (computing.net, Windows System, ORTHOS, EVEREST Ultimate Edition etc.)?

Come on Fingers I know you could help me with this..


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#1
June 17, 2011 at 19:12:36
Try reading CPU-Z while something else is running also. Is Speed Step disabled? If not you could be getting the CPU slowing itself down when underutilized.

You have to be a little bit crazy to keep you from going insane.


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#2
June 17, 2011 at 21:11:39
Well, actualy ORTHOS is some sort of tool that tests and puts the RAM and CPU under stress. When I put a load on the Task Manager on performance it reads that the CPU and RAM are on 100% usage. While runing that I've had CPU-Z on and that is when it gives me 3031.9MHz, which is you know 3.03GHz. So it's kinda weird huh.
Imagine all the confusion I went through to OC it.
But you know what I don't know where that option you said is at. Where can I find it and disable it?



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#3
June 18, 2011 at 06:36:33
✔ Best Answer
Did you review the BIOS chapter in your motherboard manual? Speedstep is called "CPU EIST Function"

http://download.gigabyte.ru/manual/...


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#4
June 20, 2011 at 20:30:37
I read the Advance BIOS Features on the manual and it sais some CPUs don't support some of those features, and since the CPU EIST Function doesn't apear on my options, it means my Pentium D doesn't support it. Now what do I do?

Is my CPU running @ 3.78 or is it 3.03GHz?
It feels like it's @ 3.78.


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#5
June 20, 2011 at 21:04:03
Your CPU does support Speed Step, look here:
http://www.cpu-world.com/CPUs/Penti...
Disable 'C' state or similar

You have to be a little bit crazy to keep you from going insane.


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