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What is the issue with Asus 680i's and quads?

post #1 of 10
Thread Starter 
So I was wondering, I have heard and seen that P5n32-E's, Striker extreme's and P5N-E's cannot overclock quads over ~3.0 ghz.

Is the issue limited by the FSB, or is it a general limit for all quads?

I was wondering because I was tempted to get a Q6700, and was wondering if it would hit the same limit as a Q6600, or would its higher multi allow me to get to the same FSB as the Q6600 but a higher clock speed?
    
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post #2 of 10
It was found that the GTL Reference Voltage, derived from CPU VTT/FSB Voltage, on the 680i SLI Motherboard, needed a little boost for better FSB overclocks on Kentsfield Processors. About a 0.03v-0.05v boost should yield better FSB overclocks on a Kentsfield Processor. Current boards do not have this implementation, but newer boards should be tuned with a little more GTL Ref Voltage with Kentsfields. Perhaps we can expect a Revision 2 of 680i SLI Motherboards...

Source: VR-Zone
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post #3 of 10
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Quote:
Originally Posted by Gollie View Post
It was found that the GTL Reference Voltage, derived from CPU VTT/FSB Voltage, on the 680i SLI Motherboard, needed a little boost for better FSB overclocks on Kentsfield Processors. About a 0.03v-0.05v boost should yield better FSB overclocks on a Kentsfield Processor. Current boards do not have this implementation, but newer boards should be tuned with a little more GTL Ref Voltage with Kentsfields. Perhaps we can expect a Revision 2 of 680i SLI Motherboards...

Source: VR-Zone
Wait, wouldn't that mean that a simple voltage boost would fix the overclocking issues?
    
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post #4 of 10
no. Do you know what version of the board you have? Like A1 or what? The earlier boards that went out had a problem on the board physically that was fixed in a later revision. I can't recall the name of the revision, but it's somewhere on these forums . Somewhere around here there is also a picture that shows you how to tell if yours has the revision...I wish I could find it...\\

EDIT: Found the one I was thinking of. Check out this thread http://www.overclock.net/intel-cpus/...-all-noob.html

Take a look at post 5. If you DO have that, you should be good to go.
post #5 of 10
Thread Starter 
I am on an Asus 680I, so it is non-reference.

So basically it is not limited by the FSB but via voltage to the CPU?

So an 8x chip and a 9x chip will overclock to around the same? (if they get to that speed at the same voltage)
    
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post #6 of 10
from my understanding, the voltage limits its ability to run an fsb stably very high. And the reference may work btw. The layout is generally the same. As the person who posted there has an xfx and he posted an evga board in the picture. It's late, I could be retarded...maybe I'll stop posting now.
post #7 of 10
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Quote:
Originally Posted by BiG O View Post
from my understanding, the voltage limits its ability to run an fsb stably very high. And the reference may work btw. The layout is generally the same. As the person who posted there has an xfx and he posted an evga board in the picture. It's late, I could be retarded...maybe I'll stop posting now.
Lol, from what I know Asus, and one or two other makers make their own boards, XFX, BFG, EVGA all took the Nvidia reference board, gave it a different sticker, and resold it as their own.

T1 I believe is the very good overclocking revision for quads.
    
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post #8 of 10
Quote:
Originally Posted by trueg50 View Post
Lol, from what I know Asus, and one or two other makers make their own boards, XFX, BFG, EVGA all took the Nvidia reference board, gave it a different sticker, and resold it as their own.

T1 I believe is the very good overclocking revision for quads.
Incorrect. EVGA, BFG, and XFX use the reference designs for their motherboards. Asus does not, and because Asus and Intel are such good buddies, NVidia refused to support Asus with it's non-reference motherboards.
post #9 of 10
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Quote:
Originally Posted by RussianGrimmReaper View Post
Incorrect. EVGA, BFG, and XFX use the reference designs for their motherboards. Asus does not, and because Asus and Intel are such good buddies, NVidia refused to support Asus with it's non-reference motherboards.
huh, I never knew that! I thought it was just Asus doing their own thing.
    
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post #10 of 10
Quote:
Originally Posted by trueg50 View Post
huh, I never knew that! I thought it was just Asus doing their own thing.
The majority of motherboards are made by Foxconn, then modded by others.
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