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phenomII x2 550.

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caos420 Posted: Fri, Jan 22 2010 12:40 PM

can anybody give me some insight on the unlocking of extra cores and why i was only able to unlock 1 extra core thus making a tri core?

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It all depends on the luck of the draw. Sometimes the extra cores could be defective or unstable. I have read reports of people unlocking both cores and OCing to 3.8 GHz without any problems. So yours could be a fully-functional die with two blocked cores or a die with two defective ones that have been blocked, and any combination of both.

 

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Soupstyle replied on Fri, Jan 22 2010 7:06 PM

Yup, it is all luck, you might have a good chip, but most likely the whole wafer was slated for X2 instead of X4 due to too many samples failing in testing in that batch, or some glitch happened during the process and it wasn't worth the time/money/risk to figure out which are good enough for X4 or not, there is a big enough demand for X3 and X2 chips that they will put potentially fine X4 chips on the same wafer in with it, due to the effort it would take to find and separate all the chips individually.

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rapid1 replied on Sat, Jan 23 2010 1:38 AM

Hey Caos have you pumped up voltage a couple points and tried AMD overdrive 3?

OS:Win 7 Ultimate 64-bit
MB:ASUS Z87C
CPU:Intel(R) Core(TM) i7 4770 ***
GPU:Geforce GTX 770 4GB
Mem:***ingston 16384MB RAM
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Ooops, also forgot to ask, which motherboard are you using?

AMD overdrive is software only for overclocking though, wouldn't help much in unlocking cores. Problem is software overclocking is riskier because it can overload your hardware. Safer and better is to use your BIOS to overclock, it allows more flexibility and you can lock in your settings once you're done. Only use Overdrive if you BIOS is locked.

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caos420 replied on Sat, Jan 23 2010 4:50 PM

my mobo gigabyte ga-ma 785g us2h

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