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Problems with my unlocked AMD Phenom ii x4 B50 Processor

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November 14, 2010 11:55:21 PM

Hi everybody,

Today I ended up deciding to unlock my 2 cores of my AMD Phenom ii x2 550 processor, after doing so it booted up just fine. I decided to browse the internet and such and every once in awhile it would freeze completely, I cannot crtl-alt-delete or anything to get out of this. The only thing I can do is reboot my computer. I'm curious to know what my problem is.


My motherboard is a NF750-G55 (MS-7578)
My chipset is NVIDIA nForce 740a SLI
Southbridge is NVIDIA nForce 740a SLI MCP

Any help would be appreciated thanks :) 
a c 83 à CPUs
a b À AMD
November 15, 2010 1:17:23 AM

Sounds like a defective core locking your computer up, have you done anything to stress test it?
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November 15, 2010 2:36:00 AM

Yea i did and it freezes should I just go back and lock the cores?
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a c 83 à CPUs
a b À AMD
November 15, 2010 2:55:16 AM

Cores get locked for a variety of reasons, it may be they require higher voltage and a voltage bump will give you stability. You could also try unlocking only 1 core instead of both, that is if your motherboard supports it.
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a b à CPUs
November 15, 2010 3:12:17 AM

Hi chris5662, Welcome to THW.

First some Forum Rules:

Don't...

•Post in ALL CAPS or use excessive punctuation!!!
•Share personal information, like your email address. Identify theft is real.
Bump posts , claim "first!"
•Hijack a topic. Stick to the original conversation.
•Ask for help pirating, cracking passwords, or bypassing copyright protection

As for your question, you may want to gives this a read through:
http://www.overclock.net/amd-cpus/535501-official-amd-k...

I have not been able to come across much information on using your motherboard to unlock the CPU, but what I have found are a few people saying that it does not work, and ontop of that motherboards with Nvidia chipsets give even more trouble when trying to unlock the cores.
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