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Is an overclock of 3.6ghz achievable with my CPU+Mobo ? - Page 3

post #21 of 28
As you overclock the TDP of your processor increases and your motherboard cannot take that high TDP. Lowering the vcore reduces the TDP of the chip. This might help as your main problem is your motherboard not being able to take the load.
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post #22 of 28
Quote:
Originally Posted by slack3y View Post

I really want to know why you can still boot up!
If I try to OC my Phenom usually I freeze then when I restart I don't get a video signal forcing me to Clear CMOS.
And I have the same CPU! -_-

Maybe you both have different board revisions, there are 3. The hardware revisions and bios would have a big impact on overclocking




Quote:
Originally Posted by Roadkill95 View Post

Why reduce though? It'd be great if you could explain the rationale behind that.
Fair warning, I'm not entirely an expert when it comes to voltage adjustments ( or overclocking in general for that matter lol)

It is *possible* that the boards VRM design is not maintaining a stable voltage at 1.4v, and that the VRMs are getting too hot which can cause instability. That would be my guess as to why someone should try a lower voltage. Dont know if it will work though. The board should be capable of handling anything up to 1.45v perfectly fine since CPUs from back then that this board is compatible with would sometimes come stock with a 1.45v VID
Edited by EniGma1987 - 11/16/12 at 9:13am
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post #23 of 28
Thread Starter 
Quote:
Originally Posted by EniGma1987 View Post

Maybe you both have different board revisions, there are 3. The hardware revisions and bios would have a big impact on overclocking
It is *possible* that the boards VRM design is not maintaining a stable voltage at 1.4v, and that the VRMs are getting too hot which can cause instability. That would be my guess as to why someone should try a lower voltage. Dont know if it will work though. The board should be capable of handling anything up to 1.45v perfectly fine since CPUs from back then that this board is compatible with would sometimes come stock with a 1.45v VID

But how did my default vcore go down from 1.425v to 1.3?
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post #24 of 28
Quote:
Originally Posted by Roadkill95 View Post

But how did my default vcore go down from 1.425v to 1.3?

Shouldnt be possible. VID is part of the processor and does not change. So either a bios update changed the voltage being applied, the motherboard was reading the processor wrong at one point, or the motherboard is just really messed up.
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post #25 of 28
Thread Starter 
Quote:
Originally Posted by EniGma1987 View Post

Shouldnt be possible. VID is part of the processor and does not change. So either a bios update changed the voltage being applied, the motherboard was reading the processor wrong at one point, or the motherboard is just really messed up.

Ok, I'm really scared now. worriedsmiley.gif
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post #26 of 28
Thread Starter 
Ok when I checked today the vcore has gone up to 1.425v. What is going on? Should I bring it down to 1.38?

When I turned it on with vcore at 1.425 POST was insanely long and I got the infamous warning message saying my PC is in safe mode. So I went back and reduced Vcore down to 1.38v and turned on core performance boost and everything went fine.
Edited by Roadkill95 - 11/17/12 at 10:01am
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post #27 of 28
Dont know what "Core Performance Boost" is so cant help you with anything there. I suspect it maybe means trying to unlock additional cores on the processor? It was a big fad a while back with some of the castrated Phenom's being sold as Athlon II's that some could unlock into quad core processors still. Or maybe it is just some Nvidia optimized overclocking thing, IDK.
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post #28 of 28
Thread Starter 
Quote:
Originally Posted by EniGma1987 View Post

Dont know what "Core Performance Boost" is so cant help you with anything there. I suspect it maybe means trying to unlock additional cores on the processor? It was a big fad a while back with some of the castrated Phenom's being sold as Athlon II's that some could unlock into quad core processors still. Or maybe it is just some Nvidia optimized overclocking thing, IDK.

Finally had enough of this board. When I OC'd it to 2.9 ghz POST would take at least 1 minute and it was driving me mad. Sometimes it would let me OC it to 2.8 and sometimes not even a single Megahertz above 2.7. Also I just found out that it had a PCI-E x16 1.0 so it was bottle necking not only my CPU but my GPU as well.

I just ordered a 990FXA- UD3. Hopefully that will fare better than this P.O.S.
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