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Overclocking help with a Q6600 on a EVGA 680i - Page 3

post #21 of 46
Just for kicks and giggles here....

This sounds to me like the NF63/NF67 Quad Core problem. Are you certain you don't have the SE SLI version of the 680i chipset? The SE SLI board will appear to be a NF68 in 3DMark06 and CPU-Z...but it is not really. It is a watered down version without the support for Quad-Core OC'ing.


The 680i SE SLI will not OC a quad past 2.75GHz and be stable....which it sounds like this is your problem.
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post #22 of 46
Thread Starter 
Hmmm not sure wish i kept my MB box now lol. It been a while since i got the board. I bought it within a month or two of its release of the evga 680i SLI. ill look at the actual model printed on the MB in a bit when i have time. Have to go take a CCNP cert exam in a bit.
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post #23 of 46
Hes got the A1 revision, hes fine.

Keep your multi at x9
Set your QDR to 1334
Leave it unlinked and try clocking your ram at 800mhz first at 4-4-4-12 2T and leave the volts at 2.1

Set your CPU volts to 1.35 for now, after Vdroop you should be at 1.30 roughly

Set your SPP volts to 1.35 and your MCP to auto.

Try this first then loosen timings so you can hit 1066 on your ram.


If all else fails you should be able to hit 3.0ghz easily by linking and syncing your Ram and CPU, setting the QDR to 1334, setting just your CPU volts to 1.325, and leaving everything else auto.

Goodluck
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post #24 of 46
He's got no problem hitting 3Ghz, he wants to go higher
post #25 of 46
Thread Starter 
yep still no good with either of those settings. Heres a screen of my mobo info. When it says Rev. A2 that really means A1 right? At least I know I've read that in a few threads on OCN.
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post #26 of 46
Thread Starter 
Quote:
Originally Posted by Betrivent View Post
He's got no problem hitting 3Ghz, he wants to go higher
no no i cant get past 2.7Ghz once i bump it to 2.8Ghz it goes to I hope it even starts and if im lucky i can use it for 5 min. past that it just resets after POST. Its like theres some invisible wall at 2.8Ghz. I can bump it all the way up to 2.79 and it runs smoothly but i hit 2.8 and its a crapshoot.
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post #27 of 46
Sounds like an FSB hole, although it could be the 680i's issue with quads, as someone else suggested. FSB hole means computer won't boot at certain fsb settings, although it can boot (and be stable) at higher fsb settings (reason is kind of complicated, having to do with "fsb straps", google it if you want more info). I may be repeating some earlier advice here, sorry if so, but:

1. Try these volts: vcore/1.425, fsb/1.3, SPP(northbridge)/1.4, MCP/1.525, SPP<->MCP/1.25. (These are all sort of high; the idea is to rule out undervolting. These setting aren't high enough to do any damage. If this works, you can almost certainly lower each of these, particularly the vcore.) Leave RAM at manufacturer-specified volts.
2. Set fsb in BIOS to 1333 (or whatever gives you 3.0 ghz). Link and sync RAM (yes, this means that your RAM will be running slower than it can. If/when you get stable, you can unlink and speed it up). Hit F10.
3. Believe it or not, if that doesn't work, my advice is to try 3.2 ghz (I think the fsb is ~1360). Same volts. This is a "last ditch" measure to confirm that it ISN'T an fsb hole.

Hope that helps. The 680i does have problems oc'ing quads. A BIOS update may also be helpful. Perhaps someone else can help you with that...again, sorry if you've already heard all of this...
post #28 of 46
Thread Starter 
well guess its a motherboard issue then cause it wouldnt boot at 3.0 or 3.2 with the specs from above. Ive got the latest bios from evga. oh well. Thanks for all the suggestions anyways guys. ^^
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post #29 of 46
You should contact evga about trading in your 680i for a better quad board (e.g. 780i). They'll probably do it, as part of their "step up" program. They may charge you a little (like the retail $ difference between the two boards), if they let you do it, but you won't have to buy a whole new motherboard. You can even tell them why you want to trade - they know the 680i's don't oc quads like they were advertised to.
post #30 of 46
Thread Starter 
Quote:
Originally Posted by seward View Post
You should contact evga about trading in your 680i for a better quad board (e.g. 780i). They'll probably do it, as part of their "step up" program. They may charge you a little (like the retail $ difference between the two boards), if they let you do it, but you won't have to buy a whole new motherboard. You can even tell them why you want to trade - they know the 680i's don't oc quads like they were advertised to.
ok thanks for the info ill check that out.
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