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How do I unlock my 4th core?

post #1 of 12
Thread Starter 
So I have an AMD Athlon II X3 440 Rana 3.00GHz stock.

My motherboard says it supports unlocking CPU cores.
http://www.newegg.com/Product/Produc...-559-_-Product

When I go into the motherboard BIOS and enable "Unlock Cores" nothing happens. CPU-Z and CoreTemp still only shows info for 3 cores. Is there something else I need to do?

I know this varie by CPU and Mobo, but shouldn't I somehow see that the unlock failed? I know not showing info is a sign but shouldn't the computer fail in the POST?

Yet again, please enlighten me OCN
Edited by Darqside - 6/12/11 at 1:50am
Big Bertha
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Big Bertha
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post #2 of 12
your processor has to 2 or 1 cores locked.
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CArolyn
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post #3 of 12
oh opps. i didnt read the full post. just go to bios and unlock it LO L
CArolyn
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post #4 of 12
Thread Starter 
Quote:
Originally Posted by whereiscolin View Post
your processor has to 2 or 1 cores locked.
I just want to unlock the 4th one.
Big Bertha
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Big Bertha
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post #5 of 12
Thread Starter 
I meant shows info for 3 cores. sorry!
Big Bertha
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Big Bertha
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post #6 of 12
I have no experience with MSI MBs, un mine, I choose the "unlock" option, and below it there some "core" option of auto , or manual

if the 'unlock' is on, then 'auto' unlocked my x3, or do it manually
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post #7 of 12
Thread Starter 
well, i decided just to overclock to 3.5GHz, overclock my RAM higher too. Forget the 4th core, I just speed up my current cores.

However, if anyone has an answer for future reference for whoever gets here via serch engine, please post it. thanks
Big Bertha
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Big Bertha
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240GB Samsung 850 EVO WD 7200RPM 500GB Blue  WD 5400RPM 3TB Green None 
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Corsair H100i AIO Water Cooler Microsoft Windows 8.1 Pro Dell 24' 1080p Monitor Microsoft SIDEWINDER X4 
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post #8 of 12
not all of them are guaranteed to unlock. u can try raising the voltage and see if that 4th one unlocks.
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post #9 of 12
Someone posted a guide on how to do this somewhere else on ocn

http://www.overclock.net/amd-cpus/53...ore-cache.html
    
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post #10 of 12
I have the same processor and i was able to unlock my 4th and overclocked it. Without the 4th, I could go up to 3.6GHz and 3.5GHz with all 4 cores.

Try to increase your cpu voltage. Also, although it sucks, there's a chance that you can't unlock it.
Alpha dawg
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