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[Official] Gigabyte GA-990FXA-Series Owners Thread/Club - Page 398

post #3971 of 12377
So had a question for all of the 990FXA gurus...

I recently purchased a 990FXA-UD3, Rev. 1.1, updated to the newest BIOS to replace some low end garbage Asrock I had been using. The intention is to eventually swap to an FX series CPU. As of now its Phenom II B55. This unlocked to a quad and overclocked stably on the Asrock board without issue. On the UD3 I have been able to achieve a higher overclock without issue...however its only stable with 3 cores, any three.

From what I've read these boards have a common issue with unlocking. While this is disappointing it will be a moot point once I swap to an FX CPU. My question is if this issue is a possible sign of any others or is it limited to this alone? In other words should I be going back to Fry's to demand a replacement?
    
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post #3972 of 12377
Quote:
Originally Posted by talios View Post

So had a question for all of the 990FXA gurus...
I recently purchased a 990FXA-UD3, Rev. 1.1, updated to the newest BIOS to replace some low end garbage Asrock I had been using. The intention is to eventually swap to an FX series CPU. As of now its Phenom II B55. This unlocked to a quad and overclocked stably on the Asrock board without issue. On the UD3 I have been able to achieve a higher overclock without issue...however its only stable with 3 cores, any three.
From what I've read these boards have a common issue with unlocking. While this is disappointing it will be a moot point once I swap to an FX CPU. My question is if this issue is a possible sign of any others or is it limited to this alone? In other words should I be going back to Fry's to demand a replacement?

some boards are better with unlocking than others. I wouldn't say the Ud3 is a good unlocking board, from what i read. Actually i have read a number of users report the same thing you did. So perhaps the ud3 isn't all that great at unlocking cores.
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post #3973 of 12377
Been messing with the NB voltage lately because I have the theory is actually over-volted for OC purposes (Like the CPU's).
I would like to know if there is any "stock voltage" of the 990FX chip or what is the lowest voltage that it can run at.
Any info would be much appreciated, thanks.
post #3974 of 12377
Quote:
Originally Posted by vonss View Post

Been messing with the NB voltage lately because I have the theory is actually over-volted for OC purposes (Like the CPU's).
I would like to know if there is any "stock voltage" of the 990FX chip or what is the lowest voltage that it can run at.
Any info would be much appreciated, thanks.

I have placed a table on page 394 which will help you out.

The stock voltage is 1,1 or 1,15V i believe.
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post #3975 of 12377
Quote:
Originally Posted by Fordox View Post

I have placed a table on page 394 which will help you out.
The stock voltage is 1,1 or 1,15V i believe.

I meant for the motherboard northbridge, not the CPU-NB.
post #3976 of 12377
Quote:
Originally Posted by vonss View Post

I meant for the motherboard northbridge, not the CPU-NB.

yep that's what he means...

Cpu NB is in the 1.25 - 1.3v area stock... the MB NB is 1.1 stock. I actually have mine at 1.2 (or close to, cant remember exactly) to gain video card stability. Not to sure as to the reasoning behind why It stablized my video cards under heavy load... But it worked.
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post #3977 of 12377
wave2.gif Miss you guys a lot. I can tell you that the onboard sound on the V Formula is rubbish compared to the UD3 I had. It's like all over the place, no matter what settings I try. lol
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post #3978 of 12377
Why didn't you buy another ud3?
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post #3979 of 12377
Would've gone with the rev 3.0, but the sales people had no way of knowing what revision I'd get. Not saying that I won't buy one later. smile.gif
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post #3980 of 12377
Quote:
Originally Posted by kzone75 View Post

wave2.gif Miss you guys a lot. I can tell you that the onboard sound on the V Formula is rubbish compared to the UD3 I had. It's like all over the place, no matter what settings I try. lol

i think the onboard sound is rubbish anyways.

the crosshair v formula z has better sound than the ud3, just not the regular crosshair v

I put in my trusty creative TI -HD fatality , much better. Regardless which board you choose, on board sound ewwww. I do want a rev 1.1+ ud3 though, try this whole llc thing everyone raves about.
Edited by ebduncan - 12/17/12 at 2:12pm
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