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Old 01-24-2008, 09:37 PM   #1 (permalink)
vernong1992
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Default CPU Speed Changing? Speedstep and Cool and Quiet Technology Explained

I've seen a billion threads like these already about people not seeing the right speed, so I thought I'd clear it up, also kill two birds with one stone by also explaining Cool and Quiet Technology

Explanation
Cool and Quiet and Speedstep are both power saving features used by AMD and Intel processors respectively, what they do is reduce the Heat and (possibly Loudness) by reducing the clock speeds when Idle by dropping the Voltage and the Multiplier

CPU's having Speedstep and Cool and Quiet Technology:
Intel:

Intel Celeron Dual-Core
Intel Core 2 Duo
Intel Core 2 Extreme
Intel Core 2 Quad
Intel Pentium D (just the Preslers)
Intel Pentium Dual-Core

AMD:
Athlon64
Athlon64 X2 FX
Athlon64 X2
Opteron
Phenom X3
Phenom X4

Disabling These Features
Intel: you simply disable C1E and EIST in the BIOS
AMD: Disable CNQ in your BIOS (I need an accuracy check on this one)
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Last edited by vernong1992; 06-25-2008 at 12:32 AM. Reason: Updated
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Old 01-24-2008, 09:44 PM   #2 (permalink)
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Default Re: Speedstep and Cool and Quiet Technology Explained

There you go.
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Old 01-24-2008, 10:08 PM   #3 (permalink)
vernong1992
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Default Re: Speedstep and Cool and Quiet Technology Explained

wow I wasn't expecting this to become a Sticky
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Old 01-24-2008, 10:21 PM   #4 (permalink)
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Default Re: Speedstep and Cool and Quiet Technology Explained

You want me to unsticky it for you??
It can be arranged...


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There will come a day, such a day when all will be told more than they wish to know, what one hears may explain the past, it may explain the future, but it has never made a difference either way and it will change nothing. Some day.... But that is not this day, and I don't know when, I just don't know.
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Old 01-25-2008, 12:58 AM   #5 (permalink)
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Default Re: Speedstep and Cool and Quiet Technology Explained

I have had a couple people tell me that having speedstep and C1E enabled while your system is overclocked can make your system unstable. Is there any truth to this?
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Old 01-25-2008, 01:07 AM   #6 (permalink)
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Default Re: Speedstep and Cool and Quiet Technology Explained

Quote:
Originally Posted by Prophet View Post
I have had a couple people tell me that having speedstep and C1E enabled while your system is overclocked can make your system unstable. Is there any truth to this?
Yes, but it does not hold true for everyone, just for most people. You will have to try it on your own setup to see for yourself.
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Old 01-25-2008, 02:25 AM   #7 (permalink)
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Default Re: Speedstep and Cool and Quiet Technology Explained

i never though id see the day where ste would double post.
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Old 01-25-2008, 02:39 AM   #8 (permalink)
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Default Re: Speedstep and Cool and Quiet Technology Explained

Oh I do it lots, now that I can get away with it.
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I'm sorry but I do not accept support requests via IM, email, or personal messages
There will come a day, such a day when all will be told more than they wish to know, what one hears may explain the past, it may explain the future, but it has never made a difference either way and it will change nothing. Some day.... But that is not this day, and I don't know when, I just don't know.
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Old 01-25-2008, 02:42 AM   #9 (permalink)
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Default Re: Speedstep and Cool and Quiet Technology Explained

wow, if that isnt abuse of power.
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Old 01-25-2008, 02:50 AM   #10 (permalink)
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Default Re: Speedstep and Cool and Quiet Technology Explained

Oh kiddies you'll understand some day... Or not..
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Your gonna see alot more emotions in my posts now!!
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