[Question] I think my motherboard may be holding me back

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FindingLuis

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I'm attempting to overclock my 8150 to the extreme limits.

I'm using a Corsair 750D case.
H100i water cooling.
OCZ ZX Series 850 watt 80 Plus Gold fully-modular power supply.
Corsair Vengeance LP[Low Profile] 16GB ram @ 1600 9-9-9-24
Irrelevant: XFX 6870, and a WD 1T harddrive.

Now all of this is sitting on a MSI 970A-G45 Motherboard.
I've gone through the proper procedure in overclocking my CPU, previously it was on air and did 4.0GHz just fine with CPU voltage set on Auto.

Now with all of this new greatness I'm testing my patience at pushing it to the extreme. I'm currently clocked at 4.5 Ghz, however to stabilize that my CPU voltage is set at 1.488 V.

I can't push it past 4.5 I've tried for 4.6, 4.58 and so on. Nothing but 4.5 will stabilize even at 1.488V.

Is it really my motherboard or am I missing something entirely.
 
Solution
mlcaouette
Well your CPU might just need more voltage to become stable beyond 4.5Ghz. Something to note frequency to voltage is not a linear relationship, so typically each step up in frequency will require an even larger step up in vcore.

Fort example: At 4.0Ghz my Phenom II 955 requires 1.44v, at 4.2Ghz it takes 1.5v, to get 4.4Ghz stable I have to jump all the way to 1.64v. Proof of stability can be found in the AMD overclocking club thread here: http://www.tomshardware.com/forum/261868-29-overclocking-club/page-28

So long as you have the cooling to support the voltage you should be safe up to 1.55v. WARNING: Do so at your own risk, with all overclocking you run the risk of permanently damaging your hardware.

I'd also be careful...
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mlcaouette

mlcaouette

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Well your CPU might just need more voltage to become stable beyond 4.5Ghz. Something to note frequency to voltage is not a linear relationship, so typically each step up in frequency will require an even larger step up in vcore.

Fort example: At 4.0Ghz my Phenom II 955 requires 1.44v, at 4.2Ghz it takes 1.5v, to get 4.4Ghz stable I have to jump all the way to 1.64v. Proof of stability can be found in the AMD overclocking club thread here: http://www.tomshardware.com/forum/261868-29-overclocking-club/page-28

So long as you have the cooling to support the voltage you should be safe up to 1.55v. WARNING: Do so at your own risk, with all overclocking you run the risk of permanently damaging your hardware.

I'd also be careful overclocking on that motherboard, it doesn't have the vrm cooling needed to support overclocking. Take a look at the warning on the description page here: http://us.msi.com/product/mb/970A-G45.html
I'd hate to hear about your computer going up in flames over an overclocking session.
 
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FindingLuis

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Can you help me find a good motherboard that can support that sort of overclocking please.
 
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