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stability testing and benchmarking while OCing

post #1 of 9
Thread Starter 
Hey,

I'm a total beginner when it comes to OC, so be patient
I have a question regarding testing of the stability of a system white doing some OC.

When I change the FSB or multiplier of CPU or some stuff at the RAMs what kind of programs and what kind of tests should I run in order to decide whether the system is stable or not?

I read some guides and most suggest that a 2 hour stability testing is required, but I find it quite time consuming when I would be changing the frequency of my CPU from 3.3 GHz (stock) to something like 4.4 GHz

Thanks for replays
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post #2 of 9
Keep these softwares handy:
CPU-Z -- for cpu info
Prime95 -- for stress testing (cpu and ram)
Coretemp -- for keeping an eye on cpu temp while stress testing
Memtest -- for testing ram from inside windows
and lastly Gpuz and Furmark for Gpu stress testing ( gpuz for gpu info).

Sometimes a few errors come up after running stress-test for some considerable time, thats why people suggest a couple of hours of Prime95 blend runs.
    
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post #3 of 9
The most common and (arguably) most effective way to stress test these chips is running a stress testing software called Prime95. Under that program select the "Blend" test and let it run for 8 to 12 hours. If no blue screens occur and there are no errors, you are stable.

Keep CPU temperatures under 80c, voltage is controversial but 1.4v is safe as long as temperatures allow it. Use realtemp 3.67 to measure cpu temperatures

This is a good overclocking guide: http://www.overclock.net/intel-gener...uide-p67a.html
    
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post #4 of 9
If you are just doing a quick stability test, I recommend LinX / IBT. Takes less time to find errors. When ever you think you hit the max OC and you really want to test for final stability, do 12 hours+ of Prime95 and you can also run 30-50 passes of LinX / IBT.
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post #5 of 9
Quote:
Originally Posted by Blostorm View Post
If you are just doing a quick stability test, I recommend LinX / IBT. Takes less time to find errors. When ever you think you hit the max OC and you really want to test for final stability, do 12 hours+ of Prime95 and you can also run 30-50 passes of LinX / IBT.
Ah, I forgot to mention this as I use it as well. Linx / IBT with AVX is a VERY quick way to determine stability. The only downside is it runs the CPU much hotter than prime95 which is fine as long as you stay under 80c.
    
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post #6 of 9
Thread Starter 
Which test and for how long should I run after changing the FSB by 10MHz so something like that? (the grandpa style )

OR do u think the grandpa style isn't the one to go with??
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Slesher's system
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Samsung Spinpoint F1, 1TB Samsung SSD 840 EVO CoolMaster Hyper 212 Plus Windows 7 Ultimate 64bit 
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post #7 of 9
Quote:
Originally Posted by Slesher View Post
Which test and for how long should I run after changing the FSB by 10MHz so something like that? (the grandpa style )

OR do u think the grandpa style isn't the one to go with??
I strongly advise not to go above 105 FSB. This clock controls other components besides the CPU, such as PCI express etc.

To be safe I would leave it at 100 and change the turbo multiplier instead. That's how these chips are meant to be overclocked.

Try Prime95 blend test first. At least 3 hours. 12 hours for testing your final overclock.
    
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CPUMotherboardGraphicsRAM
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post #8 of 9
Thread Starter 
BTW do u guys think my MOBO will handle the OC?? what could be the limitations?
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Samsung Spinpoint F1, 1TB Samsung SSD 840 EVO CoolMaster Hyper 212 Plus Windows 7 Ultimate 64bit 
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Slesher's system
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i5 2500k @ 3.3 GHz Gigabyte Z68MA-D2H-B3 ATI Radeon HD6950 2GB 8GB CORSAIR Vengeance 
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Samsung Spinpoint F1, 1TB Samsung SSD 840 EVO CoolMaster Hyper 212 Plus Windows 7 Ultimate 64bit 
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post #9 of 9
Limitations are basically the cooling & the cpu itself, stock coolers usually kinda suck, aftermarket cooling is very worthwhile for overclocking.
    
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