angerthosenear Posted September 27, 2013 Share Posted September 27, 2013 Alrighty, I was running the nvidia driver 314.22 and had no issues with PhysX or the like. DX11 and all that good stuff. Today I updated to driver version 327.23. I managed to get DX11 re-enabled. But PhysX just will not become a selectable option (yes, I even rebooted). Apart from the PhysX version, everything else is identical. But as you can see, the 'Nvidia PhysX Effects' is greyed out. Thoughts? Link to comment Share on other sites More sharing options...
honeybadger Posted September 27, 2013 Share Posted September 27, 2013 Try and find a PhysX driver update? I know there are standalone versions of it somewhere, but I can't remember what it would be called... Link to comment Share on other sites More sharing options...
angerthosenear Posted September 27, 2013 Author Share Posted September 27, 2013 I tried that to be sure, no dice. Not sure if it is due to this latest update (1 week old as of today). Link to comment Share on other sites More sharing options...
CheeseHasLeafs Posted September 27, 2013 Share Posted September 27, 2013 (edited) The NVS 4200M has 1 GB of VRAM, am I right? I think they upgraded PhysX requirements to 2 GB with one of the major updates. I could be wrong (about the upgrade thing). There were lots of threads complaining about not being able to enable PhysX from people with 512mbs and 1GB of VRAM. Edit: Or maybe the requirement is 1GB. I can't really remember. Edited September 27, 2013 by CheeseHasLeafs Link to comment Share on other sites More sharing options...
GottFaust Posted September 27, 2013 Share Posted September 27, 2013 The following steps worked for a friend: Shut down Warframe if it is running. Set PhysX to Auto-Select in the nvidia control panel. Launch Warframe: You should be able to enable PhysX now. Save setting and shut down Warframe. Re-select the card you want to run PhysX. Link to comment Share on other sites More sharing options...
angerthosenear Posted September 27, 2013 Author Share Posted September 27, 2013 The following steps worked for a friend: Shut down Warframe if it is running. Set PhysX to Auto-Select in the nvidia control panel. Launch Warframe: You should be able to enable PhysX now. Save setting and shut down Warframe. Re-select the card you want to run PhysX. Tried that (default is Auto-Select), didn't work. No matter what I pick, it won't allow PhysX. Link to comment Share on other sites More sharing options...
Saenol Posted September 27, 2013 Share Posted September 27, 2013 (edited) http://www.nvidia.com/object/nvs_techspecs.html You have your NVS 4200M selected in your images. PhysX acceleration is not supported by this part, and even if it was, it's almost certainly too slow to provide a good experience. Also, PhysX drivers being installed does not automatically mean you have hardware PhysX support. I have PhysX installed in my primary system, but I don't have an NVIDIA GPU in that system and can only utilize software PhysX. Anyway, if you select your GTX 660 Ti as the PhysX processor, it should work. Edited September 27, 2013 by Saenol Link to comment Share on other sites More sharing options...
angerthosenear Posted September 27, 2013 Author Share Posted September 27, 2013 http://www.nvidia.com/object/nvs_techspecs.html You have your NVS 4200M selected in your images. PhysX acceleration is not supported by this part, and even if it was, it's almost certainly too slow to provide a good experience. Also, PhysX drivers being installed does not automatically mean you have hardware PhysX support. I have PhysX installed in my primary system, but I don't have an NVIDIA GPU in that system and can only utilize software PhysX. Anyway, if you select your GTX 660 Ti as the PhysX processor, it should work. I've had it as my PhysX processor for over a year.. the nvidia control panel on-screen display even said that the 4200M was performing PhysX while playing multiple PhysX games. I never had any issue with it... I guess I could try to for the GT 520M driver on it (same chip). If the 4200M is solely doing PhysX, it does fine - issue arises when it does both the graphics and PhysX simultaneously. Good catch Saenol. Link to comment Share on other sites More sharing options...
Saenol Posted September 27, 2013 Share Posted September 27, 2013 Interesting. Yeah, the hardware should be capable of it, but feature sets are often arbitrarily disabled for market segmentation purposes. It's possible that newer drivers have a flag that disables PhysX on your 4200M. Link to comment Share on other sites More sharing options...
angerthosenear Posted September 27, 2013 Author Share Posted September 27, 2013 I'm attempting to modify the .inf files to force installion of the GT 520M driver on my 4200M (they are the same otherwise). Hopefully this will go well. Link to comment Share on other sites More sharing options...
angerthosenear Posted September 28, 2013 Author Share Posted September 28, 2013 Well then, guessing it was an error with PhysX install. But lookie: NVS 4200M as dedicated PhysX with no issues! I knew i wasn't crazy. (Still no idea why it works since PhysX supposedly isn't supported on the 4200M.) Link to comment Share on other sites More sharing options...
Saenol Posted September 28, 2013 Share Posted September 28, 2013 Glad to hear you got it working. (Still no idea why it works since PhysX supposedly isn't supported on the 4200M.) Because it was never a hardware limitation. As you mentioned, the chip is identical to what's in the GT 520M. Modding the .inf files essentially tricks the driver into thinking it is a GT 520M (even if it's labeled something different). Link to comment Share on other sites More sharing options...
angerthosenear Posted September 28, 2013 Author Share Posted September 28, 2013 Glad to hear you got it working. Because it was never a hardware limitation. As you mentioned, the chip is identical to what's in the GT 520M. Modding the .inf files essentially tricks the driver into thinking it is a GT 520M (even if it's labeled something different). That's the even more surprising thing, I never got the modified .inf to allow installation. It is still truly a NVS 4200M. Link to comment Share on other sites More sharing options...
Saenol Posted September 28, 2013 Share Posted September 28, 2013 Did you just force the GeForce rather than Quadro driver to install? Link to comment Share on other sites More sharing options...
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