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Prime95 and Aida64

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February 17, 2012 12:18:32 PM

Hi,
Im quite new to the overclocking world... last night i OCed my Core i5 2500k to 5ghz at x50 multiplier @~ 1.45v-1.5v, temp was between 66 and 70 defrees C, however it was ver unstable, so i stepped down the multiplier to x47 and v core to around 1.36~1.38.. Aida 64 stress test runs fine with no crashes/ hangs.. etc but when running prime95 torture test.. guess what.. BSOD.. below are my specs

1. Core i5 2500K
2. Jetway Z68 Mobo (H109-Z)
3. Corsair Vengance 1600mhz 4GBx2
4. Antec Kuhler H2O 620 liquid cpu cooler
5. Cooler master Extreme power 650 PSU
6. Cooler Master HAF 912 Advance case
7. Zotac GTX 560ti

Any help/advice regarding this sability issue in Prime would be depply appreciated

Thanks in advance,
Notea :) 

More about : prime95 aida64

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a b K Overclocking
February 17, 2012 12:28:49 PM

In my opinion i'd drop your OC down to the mid 4 GHZ range. I am sure 5GHZ is do able but....4 range is safer and stable. Now if those are your Idle temps. Immediately drop your OC down.
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February 17, 2012 1:03:51 PM

Rockdpm said:
In my opinion i'd drop your OC down to the mid 4 GHZ range. I am sure 5GHZ is do able but....4 range is safer and stable. Now if those are your Idle temps. Immediately drop your OC down.

Yes, i stepped down the multiplier to 47 i.e 4.7ghz.. now load temp is 60 - 65deg C and idle temp 25~30 degr C. V core is 1.4~1.42.. prime 95 torture test is running for 15 mins now with no issues yet.. keeping my fingers crossed
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February 17, 2012 2:52:54 PM

Still BSOD @ 4.7ghz at 1.4~1.42V core.. could this be a case of over heating? full load was at 70 degrees
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February 18, 2012 5:57:33 AM

Best answer selected by notea.
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