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***The Official Wolfdale 8200/8400/8500 Overclocking Thread ***

yeah its an interface for Linpack....a pretty highly regarded stress tester.

http://www.xtremesystems.org/forums/showthread.php?t=201670&highlight=linx

I usually start orthos and get it going for about 1-2 min, then fire up linpack for 250-300 runs. If the puter is unstable at all it will tell me by the time linpack is finished, either linpack or orthos will error.

If you just run orthos on its own it can take up to several hours to error...this rapidly speeds my process of clocking.
 
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Hey gurusan,

Got that chip going - for some reason CPU-Z and OCCT don't show the 0.5x multi but core temp's reading it right as the extra half multi is enabled in bios. :confused:

e8500E04500mhz.jpg


Just the northbridge in the loop on a PA120.2 so very happy. :D

Thanks a bunch matey!

gt
 
4.750....how you get it stable so long at the clock speed gurusan....or is it 4.503 as theres to different speeds
 
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4.5ghz is the correct speed, the chip does run at 4.75ghz game stable but needs 1.44V and is not prime stable, also temps are very high.
 
Well if I had known my chip could do 4.5ghz prime stable at only 1.360V then I would have been running that since it's sort of the chip's sweet spot....instead of 4.6ghz 1.408V as I have been for the last several months.
 
i might just try your [email protected] and see how stable i can be....at the mo am at [email protected] (CPU-Z) its not 100% stable but i can play my games without crashing however i am sure it may crash if i try to play a more demanding game which i havent done yet as i dont have any yet

is 1.40v and 1.41 at load in CPU-Z 4.7 worth it?
 
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benktlottie said:
Voltage does have an impact on processors as Gurusan states, but it is heat that will generally kill them/degrade their lifespan. Sensible voltages are upto 1.5v providing that your cooling is sufficient (so 1.5 on water, 1.7 on phase and 1.40-1.45 on air)

People are tooooo paranoid about voltages!!! :)
Click to expand...

Some of those 'paranoid' people are the ones that understand about electrical migration and how it affects components, especially small fab items like 45nm chips. You could cool the cpu to absoloute zero and still suffer migration issues above 1.4v
 
I sold that chip awhile ago. My current CPU is an E8400, that was an E8500.

Anyway I managed to bring down the voltage a tad on my E8400 :)

capturele.png
 
Finally settled on my 24/7 clock....got a nice balance between CPU freq., vcore, and memory performance :)

captureef.png
 
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I've been through a bunch of wolfdales just to mess about really. Happy with this E8400 though so will be keeping it for some time to come. Would like to upgrade the GPU setup next but that won't happen for a little while.
 
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