Hi

Does anybody have any experience overclocking GeforceFX cards with nvclock ?

More specifically i am trying to overclock a PNY Geforce 5900XT with nvclock 0.7. When i try to clock it up with : "nvclock -f -n 446" or any other speed it just says "segmentation fault".
I have tried with diffrent nvidia drivers but to no avail.
It doesnt recognize my card, and it clearly states that geforceFX cardfs are not supported, but perhaps someone had it working anyway.

This really annoys me because it overclocks great! in windows (15 % RAM/core stable) and i want to switch to playing doom3 in linux as soon as it is released (i really HATE dualboooting, but i love gaming)

Thanks in advance

Hamsjael

I dunno if this helps, but I overclock the bejeesus outta my FX5200. Memory from 350MHz to 459MHz (craps out past 460) and core from 250MHz to 300MHz. And don't forget the cooling side of it. So, yes nvclock can work with FX cards. I use this command:Baldrick

Hi Baldrick

Thanks for the info, but i dont even get that far because this is what i get when i run "nvclock -f -n 446" :

##

NVClock v0.7

Requested core speed: 446.000 MHz
Segmentation fault


##


And this is from: "nvclock -f -s"

##

NVClock v0.7

Info: Overclocking of GeforceFX hardware is not supported at the moment
Card: Unknown Nvidia card
Card number: 1
Memory speed: 702.000 MHz
Core speed: 300.857 MHz


##

As a random aside, overclocking can frequently lead to system instability, either due to OC'ing itself or by overheating. If you do decide to OC and somewhere down the road the system starts to randomly hang or freeze, I would not be overly surprised.

Just to be clear, I'm not against OC'ing at all, but I think it's useful to point out that there are some associated potential risks with doing so. -- J.W.

Thanks J. W, but i have been overclocking my hardware since the mid-90's, and i would'nt want to own a mobo/cpu/gfx-card that couldnt run over specs.

Off course it can get unstable, but the fun and the art of it is to sqeeze every bit of throughput from your hardware, AND keep it stable.

Anyway this is not a stablity problem at all, i have been OC'ing it for months in windows, i just miss some tools to do it in Linux

Hamsjael

Try using the CVS version of NVClock, it has full GFX support.

I couldn't agree more. That's why I always say, "If you can't afford to buy a new one, then DON'T DO IT " And as always "cooling overkill" is absolutley critical.

Baldrick

Yeah I use nvclock on my FX5200 with those same settings. One thing I don't understand, when i rush glxgears they won't turn unless I move my mouse, but doesn't do that if I don't overclock. Whats up with that?

What's the output when running glxgears? Mine don't appear to be moving sometimes, but the output from a konsole readsBaldrick

Mine doesn't move either unless i move my mouse but it still outputs high scores,
11425 frames in 5.0 seconds = 2285.000 FPS
11425 frames in 5.0 seconds = 2285.000 FPS
11430 frames in 5.0 seconds = 2286.000 FPS
11428 frames in 5.0 seconds = 2285.600 FPS
11428 frames in 5.0 seconds = 2285.600 FPS

By the way why is your Video Card running much slower than mine?

01:00.0 VGA compatible controller: nVidia Corporation NV34 [GeForce FX 5200] (rev a1)

Do you guys have Direct Rendering enabled? It's quite weird that the 5200 gets higher scores than a 5900XT (the 5200 is a GeForce 2 MX with DX9 support). If you want to know, I get around 4000 in glxgears.

I have (had) a geforce 2 MX 440 64 MB card...right before i noticed that the card had fried itself, glxgears was doing quirky things like that. odd, directx games still worked under windows, but opengl games, well, not so much. I'd been experiencing random lockups and strangitudes for about 6 months prior to that, and had guessed that the card was going down. I guessed right. My bad luck, though, dictated that that had to happen 6 days after a hard drive failure. hehe...

I'd try to run a diagnostic of some kind on the video card, something opengl intensive, just to make sure that she's not on her last legs.

p.s. luckily, i was able to cannibalize another nvidia card from my server, which also had an onboard video adapter. Definitely time to upgrade, though.

/Edit
4000 in glxgears...sheesh...definitely time for steve to upgrade
/Edit

Besides the obvious fact that this card is overclocked, I also have the high end version of the 5200 which is actually better overall than the 5900XT. Remember just because the chipset is newer doesn't make it better. NVidia makes the chipset and then independent companies use those to either keep them at default or build around them to make them alot better. In your case i'm guessing you bought a cheap generic version of the 5900. Oh and I missed the Geforce 2 knock. You are way off on that one. The Geforce FX was the first of the FX's to be built from the ground up using the chipset that all the FX's after it would be built off of.

hmm, who is it that has the low-scoring 5900XT ?? Ithink this is two fx5200 being discussed.

I posted the original message because i couldnt overclock my 5900XT with the version of nvclock i had. I got the CVS version though (thanks LavaDevil94) and my glxgears score jumped from ~6700 to ~7200.

Kohlykol: "the 5200 which is actually better overall than the 5900XT"... yeah right, keep on dreaming.

The 5200 is a low end card, missing a lot of the features from the NV35 series, First and foremost the full width of the memory bus, moreover its clocked ridiculessly low compared to the 5900.

i Can OC my 5900 XT beyond the speeds of a 5900 ultra AND keep it stable (460MHz/890MHZ)

Have a look on this page for som no-b.s. info

http://graphics.tomshardware.com/gra...229/index.html