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 AMD 64/SEMPRON ---- OC DATABASE, Ocing results..OC problem?ask here..

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imreezm
post Apr 10 2005, 01:09 AM

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Winnie 3000+ 2.5Ghz (278*9) @ 1.7V - Stock Cooling.

Now using Cool & Quiet:
Idle = 1.3Ghz (278*5) @ 1.2V
Load = 2.5Ghz (278*9) @ 1.6V

Prime Stable Voltage:
With Cool & Quiet - 1.6V
W/out Cool & Quiet - 1.7V

Notice the RAM frequency difference between idle (231) and load (227).

Weird, right?

user posted image

user posted image

This post has been edited by imreezm: Apr 10 2005, 05:28 AM
imreezm
post Apr 10 2005, 01:44 AM

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QUOTE(Asus @ Apr 10 2005, 01:38 AM)
i still dont understand whats qool and quite, can someone explain...
*
it's a feature which slows down your cpu by lowering the multiplier & voltage during light cpu load.

check this out: http://www.amd.com/us-en/Processors/Produc...5E10272,00.html
imreezm
post Apr 22 2005, 10:14 AM

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QUOTE(PCcrazy @ Apr 22 2005, 05:14 AM)
[OFFTOPIC]--but since i dont want to open new thread to discuss it, why not i post it here.....

@ Antonio

Based on ur request, i did a test of how well Cool n Quiet live up to its name..
There is no doubt a myth that circulates around all of us that, if we enabled this thingy, we r in for shocking performance reduction contrary to what AMD64 specs has mentioned.

The test consist of SuperPi 1M, Sandra FPU, 3dmark series and real gaming performance monitored by FRAPS..

What i found is a relieve to those who have a system with CnQ on..There is no performance reduction in all of those test..So u guys out there, jus think AMD would never construct these kind of tech if its useless or suffer from performance degradation..

And some sifu at XS always advice to shut off CnQ during Ocing, but to my surprise, my system works flawlessly with CnQ enabled.as long as HTT doesnt exceed 280HTT..

But there is one thing u need to take into account..Undervolting may occured to u as it did to me when using CnQ..

Say for example :
1.75 vcore setup in bios with CnQ enabled will result in 1.62
1.75 vcore setup in BIOS without CnQ = 1.68-1.71

Undervolting such as above did happen to me..I dont know whether it will happen to you,

With that in mind, if u have a stable system running at 1.7vcore
u will have problem, becos Neo2 only permits max setting of 1.75vcore on std board without tweaK and mods..but if u can stabilise ur system with a lower vcore, CnQ is for u..

ps: Since my main rig is testing new btd43, i dont have screenies to share....
*
i totally agree! just look at my screenies few pages back. CnQ works fine when overclocking but it could also depend on your mobo(?)

anyway, i think it's a good way of preserving your cpu's life.

btw, thanx for the heads up on the max workable HTT!
imreezm
post Apr 22 2005, 11:30 AM

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this my 1st OC actually.

will changing the stock cooling to XP-90 give me more headroom?

how does it work?

1) better cooling > lower temps (same vcore) = better OC

or

2) better cooling > lower temps (more vcore) = better OC

what do you think/know?

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