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OC'ing on my GB 965P-DS3 - Graphics slowdown?
maxamatosis 
6/8/08 5:43:15 PM
Disciple

I have troubles whenever I overclock my E6600. It hits 3.00GHz just fine, stable under Orthos, hits 42 degrees under full load and the SuperPi scores decrease a whole lot from stock.

My RAM isn't great so I can't push timings better than 5-5-5-15 which is a shame but I have some new sticks so I should be able to fix that soon.

Anyway, my problem is that anything 3D starts screwing up a few days after I OC my machine. I go from ~190fps in the Valve Stress Test with full HDR down to ~90fps. WoW is the most affected, normally chugging along at over 110fps it slows down to 12fps even in sparsely populated areas. My 3DMark06 scores goes from over 10k down to about 3k.

I'm running latest drivers from nVidia and this problem appears under both Vista 32bit and XP Pro. The video card is running at stock 8800GTS speeds with a TR HR-03 cooler on it. It runs at about 65 degrees under load so I don't think heat is an issue. As soon as I reset my CPU and RAM back to stock 2.4GHz, 800MHz RAM @ 5-5-5-18, my frames go back to normal and everything is fine.

Does anyone have any ideas as to what's going on? I am confused as hell and pretty annoyed. I'm looking to chuck the new 4GBs of RAM and Vista x64 but I'd like to get this sorted out first.

My PC specs are below:

Gigabyte 965P-DS3 (Pretty sure it's Rev 2.0 but it might be 3.3, F9 Bios I beleive, will check when I get home)
Conroe E6600 w/ Thermalright 120 Ultra Extreme cooler
2x1024 Corsair 6400CD Ram
XFX 8800GTS 320MB
Seasonic M12 700W PSU

Any help would be super appreciated and I promise at least some level of affection in a medium term sense.

- m


Edited by maxamatosis: 6/8/2008 05:46:50 PM

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So I tell him I killed God. I tracked God down like a rabid dog, hacked off his legs with a hedge trimmer, raped him with a corncob, and boiled off his corpse in an acid bath. - Spider Jerusalem

TheFrunj 
6/8/08 6:54:57 PM
Titan

Try setting the PCIe bus frequency to 100MHz in the BIOS.

Should make the card more stable :)

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maxamatosis 
6/8/08 7:38:41 PM
Master

Thanks TheFrunj , I'll give that a shot next time.

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So I tell him I killed God. I tracked God down like a rabid dog, hacked off his legs with a hedge trimmer, raped him with a corncob, and boiled off his corpse in an acid bath. - Spider Jerusalem

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