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amd core unlocking

post #1 of 13
8/24/09 at 1:42am
Thread Starter 
ive heard of people unlocking their cpu's from haveing a dual core to haveing a quad core just by a slight tweek in the BIOS settings

im kinda new to the whole computer overclocking and playing around in the BIOS thing and would apprieciate any advice on overclocking and primarily on how to unlock those other two cores OR even if i am able to


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post #2 of 13
8/24/09 at 1:58am
You can only unlock cores with certain processors.Here is a list I know of processors that unlock.

-All Phenom II Tri and Dual Cores (Unlock to Quad Cores)
-AMD Sempron 140 unlocks to Athlon II (I cant remember the specs,numbers etc)

You also need to have a motherboard with the SB750 chipset included.The feature you need tweak (I dont know the steps of doing it) is ACC.Your processor cannot be unlocked although I'm nearly sure you board has the capability to unlock cores on the correct processor
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post #3 of 13
8/24/09 at 2:00am
The setting is ACC, generally setting it to auto will allow any core unlocks to happen that will happen. You need to do a google search or ask around if your cpu is unlockable, then make sure you have a board that has the proper micro-code to enable the core unlock, which in some cases means flashing an older bios.

My buddy bought a Phenom II X3 720 and got the fourth core unlocked. Stable at around 3.4Ghz.
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post #4 of 13
8/24/09 at 2:04am
no you cant you have an athlon. you can overclock the stuff out of it btw!
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post #5 of 13
8/24/09 at 2:12am
Thread Starter 
so pretty much i should just try and overclock it as high as i can and just save up money for an X3 and then try and unlock the fourth core??
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post #6 of 13
8/24/09 at 2:14am
It might make more sense to get an X2 550 (Phenom).They are the dual core version and clock well when unlocked most of the time,they are sub €100 too
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post #7 of 13
8/24/09 at 2:29am
From what I've read about unlocking it was pretty much luck of the draw, though new info or more unlockable processors may have come up, either way I def agree with overclocking that one to max potential
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post #8 of 13
8/24/09 at 2:34am
core unlocking is not guaranteed even if you have the requested hardware sometimes and if it is im not sure if its gona be %100 stable to many couldnt make it stable plus no temps sensors will be working anymore plus might need to flash the motherboard to diffrent bios. im not sayin it dosent work but if you need a quad then just buy one my friend.
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post #9 of 13
8/24/09 at 2:36am
save money a x3 720 is only 119 set the goal

i just got one and im unlocked to quad and oced stable at 25c @3.2ghz as soon as my pastes sets ill be going for gold

but as he said ^^^^
its not always a givin

still the 720 is a beast in its own skin fn stomps my old 6000+ x2 at 3.1
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post #10 of 13
8/24/09 at 2:43am
Quote:
Originally Posted by popeye1 View Post
so pretty much i should just try and overclock it as high as i can and just save up money for an X3 and then try and unlock the fourth core??
Pretty much, and like Ghetto said, the X3 is a pretty nice chip unlocked or not, enjoy yourself now with your dual then more when you get the tri
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