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

Testing a cpu clock is done using small FFT as it stresses the cpu more than blend.

Small FFT maximum heat maximum stress.

At that conservative clock Blend is not the ideal test.

You test the cpu stability before the systems, and the temps would much higher on Prime95 and small ftts,enough to fail.

Period.
 
After waiting for eternity for the other thread in the cpu section to get a database going I thought I'd have a go at making one myself.

You must include :

CPU
Revison
FPO#
Clockspeed
Vcore (under load in windows)
Vid (core temp)
Motherboard
Cooling
Thermal paste used
CPU Temp

Your CPU MUST be 8+hours stable for entry to be made.
Also include a screenshot showing :
P95 25.2 or above fully loaded on all 4 cores(running small fft's) (ensure to show the time started in the first box).
CPU-z 1.41
Coretemp or everest for temp validation


If your post dosn't include the above then it won't be entered

Please no arguments regarding whats stable and what isn't - I'll make a suicide/PI thread later for those who hate prime. 8 Hours is widely accepted as an indication of a stable cpu - if you don't agree don't bother posting

Me
w3bbo
Devious
Fornowagain
Jokester
weescott
Big wayne

etc... all use small fft when finding the max overclocks of our cpu's.

It's widely understood and accepted in the overclocking community.
 
Topitoff was the first to actually do a screenie.

I'm sure he will post small fft.

Fact is small FFT stresses the cpu more than blend.

Getting any stabilty shots though I guess is progress other than epeen super PI shots. :p
 
However I still use small ffts to generate maximum heat and test the cpu in isolation. Even prime systems can be far from stable, so no its not the be all and end all, but its a start. Prime95 and small ffts will push the cpu harder than most.

Indeed,

I also use small fft to find the max limit of the chip in isolation.

It heats the chip up more giving more of an idea of full load temps.

This is important when scaling with vcore etc...
 
pffft, granted if a overclock is unstable say one crash a day, then you know to reduce it down. However if under normal heavy usage it never crashes it can be seen as stable. You don't need to do 8+ hours tests to insure it's stable. For a server you won't clock it so you can be 100% sure it's stable.

As I have said before.

If your pc cannot calculate data without error there is something not correct with your rig.

Gaming stable,encoding stable just don't cut it.
 
I thought this was an overclocking thread and not an overclock and show me small FFT's for 8 hrs stable thread?

Learn to bench...oops I mean learn how to overclock, or do I mean learn how to run stability shots?

:rolleyes::o:(

All overclocks are welcome.:)

However small ffts will be useful to show max clocks and temps.

Small FFT generate the most heat and stress the cpu more than any other

test when using prime orthos etc..
 
I want to know why and how 8 hours became the magic number ? what if it fails after 9 hours ? does that make it an unstable clock ?

I usually do 12-13 hrs overnight.

I would certainly be looking at my rig if it failed after 9hrs.

But thats me.

People don't run stabilty test's and are happy being gaming stable.

Posting a 4.8ghz 8500 gaming overclock without a prime stabilty test is meaningless imo.
 
Jeez...are you simply on a wind-up again or simply confused with technicalities? I'll try and make it simple for you.

If a cpu is no where near stable...it wont even post, if it posts it has a minute amount of stability. Minor stability gets you into windows. From there I go superPI, then occt....gradually increasing the workload on the cpu to get an idea of max benchable clocks and max 24/7 stability.

Why the attitude?

I was just asking the question.:(

And you still haven't answered it.:confused:

Just agree with me that small fft stresses the cpu the most when priming etc..

You know this is fact so stop skipping around the fact that you use small fft to strees the cpu.

I have read enough of your threads to comfortably come to this conclusion.
 
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