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7800gs+ won't overclock and strange fps

Last response: in Graphics & Displays
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a b U Graphics card
September 8, 2007 10:57:11 AM

I run a P4 3.0Ghz and Gainward 512mb 7800GS+ AGP (which is a 7900GT chip). However on Far Cry when the action gets tough the frames drop to around 25-30fps maxed out at 1280x1024 4x aa 8x aniso. No probem with that with those specs. So I thought i'd oc my CPU to 3.4Ghz and OC GPU from 450Mhz core to 500Mhz. Absolutely no difference. I ran fraps and got EXACTLY the same result. OK is this a one off? no cos Test Drive Unlimited maxed out at same resolution is the same. I dropped the settings down on this game and the fps was still exactly the same. The only time I got it to change was when running in HDR which it struggled with at high resolution. Oh and i removed VSYNC just in case.

Does anyone have any suggestions on what may be causing a problem? .
September 8, 2007 12:24:42 PM

are you running vista?, I suspect that it user account control prevents rivatuner working and I haven't tried any others (I turned UAC off)
a b U Graphics card
September 10, 2007 6:06:05 PM

No, i'm running XP Pro with admin rights. It's really bizarre, I might contact Gainward support for any suggestions. Does anyone else have similar issues?
September 10, 2007 6:38:40 PM

Well, you'd think that you were either CPU or GPU bottlenecked... but you overclocked BOTH so that is really strange.
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