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Need clarification on correct NB Vid control on Gigabyte 990FXA F5 Bios.

post #1 of 11
Thread Starter 
Here is a screen shot of my bios.
The first highlighted option says its NB Vid control. However, even upping it to 1.4volts does not affect stability at all. However, the second highlight option, CPU NB Vid Ctrl is what I ended up adjusting to 1.35 volts and every thing is nice and stable. With the original NB Vid Control at Normal 1.1v. (DISREGARD THE 1.3V UNDER NB VID CONTROL)

I am new to AMD boards and may have this complety FUBAR, so asking for clarification. Reason being, trying to overclock ram. Otherwise stable in LinX 20passes or IBT 10passes.
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post #2 of 11
NB Volt control (1st one) is the chipset voltage.

CPU NB Volt control (2nd one) is the NB IMC on the chip.

Basically, there is no need to mess with the chipset voltage.
post #3 of 11
Why not give the extra power to the Motherboards NB along with the cpu nb ....

Thought that would give some stability to what he is trying to reach
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post #4 of 11
Quote:
Originally Posted by odin2free;15184664 
Why not give the extra power to the Motherboards NB along with the cpu nb ....

Thought that would give some stability to what he is trying to reach

Adding voltage to the NB chipset rarely stabilizes a system. Odds are that the fault is elsewhere. Go ahead and set your NB to .1v above stock and then work on balancing other adjustments. See if you can then back it back down to stock whilst still retaining your OC.
post #5 of 11
Top one is the chipset bottom on is the cpu/nb. I tend not to touch the chipset voltage either.
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post #6 of 11
These guys are correct, but I will tell you about a Gigabyte issue I have personally that requires a bump in the chipset voltage. I have a Gigabyte GA-MA785G-US2H. This board is not nearly as good as yours, and does not even have the same chipset series as yours. I actually have to bump the chipset voltage to 1.3v to get any overclock over stock cpu voltage.

You should not have to do that though. I have never needed to do that with any other system, but it could be a last resort option.

Gigabyte makes it confusing because they put VID after it to make you think you may be changing the chipset which may include an IGP. Rest assured, these guys have it right though.

Any progress?
 
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post #7 of 11
Thread Starter 
As for basic overclock. Yea, stable. However, its to verify because I have been trying to overclock or tighten my ram timings. Have tried a bunch of different timings, etc.
However, I'll ask about that in the MaxMem thread. This was just to make sure I'm not gonna blow up my MB. hehe
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post #8 of 11
6-8-6-20-24-1t 1.65v 1600 Safe 24/7.

I need to see your actual memory stick though. Got a link?
Edited by BWG - 10/5/11 at 5:05am
 
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post #9 of 11
Quote:
Originally Posted by BWG;15186226 
6-8-6-20-24-1t 1.65v 1600 Safe 24/7.

I need to see your actual memory stick though. Got a link?

THis is his actual kit..
http://www.gskill.com/products.php?index=355
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post #10 of 11
Darn, those won't run that.
 
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