Nvidia has cut the cord on folks who are using its GPUs to accelerate PhysX effects alongside an AMD card. Nvidia's newer drivers deny the ability to use hardware PhysX acceleration unless your GeForce is handling the graphics as well. A forum post on NGOHQ shows an email explanation from Nvidia's Customer Care, which lists a variety of causes for the decision, including "development expense," "quality assurance," and "business reasons."

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Not really news for me, they've disabled PhysX even for the older Ageia cards a long time ago if you had anything other than a Nvidia GPU along with the card. Went around in circles for a month before they admitted to it at third level support. I got Mirror's Edge working with my ATI and Ageia cards only by using the very first PhysX driver that Nvidia provided under their logo. Unfortunately, that driver kit is about two years old now and looks like it doesn't support the new Batman game. Bummer...

Yes I can blame them. You bought the graphics card. Its your property. You should be able to use it in any fashion you want, including running it side by side with their competitor.

They own the software, they can make it work/not work with whatever they want it to.

Seems counterintuitive to me. Why deny themselves some extra sales?

Pretty sure Microsoft was just told they couldn't their stuff work anyway they want, so no, Nvidia doesn't get a free slip.

"Yes I can blame them. You bought the graphics card. Its your property. You should be able to use it in any fashion you want, including running it side by side with their competitor."

Agreed. But how many people know how to write their own custom drivers for their hardware? And how many of those who can will share their drivers with others having a multitude of system configurations?

It is only proper for a company competing with another to support only their own products. Unless you want Nvidia to charge more for their cards because they have to develop drivers and software that is compatible with their competitors?

This is is what happens when a corporation puts its own agenda ahead of its users. It could backfire on them.

It's kind of a cop-out to say they can design for any hardware they want. Yes, that's true, but note that they had to actively exclude another company's specific hardware. That's not writing code for the customer, it's writing code for the corporate agenda, and to hell with the customers.

Seems to me like an unhealthy attitude toward the customer and unwise marketing strategy. In an age of open standards, attempts to lock customers into your specific hardware demonstrate poor corporate judgment.

*sigh*
I can't believe how falsely entitled people seem to believe they are these days...
nVidia owns PhysX, outright, they paid BIG money for the entire package. That means, in a business decision, they decided that PhysX was a good fit with their company, to help them earn revenue, so they made the investment. Now, they don't want to let other graphics cards (which they cannot control) to run PhysX on an unsupportable platform. If there is a problem with the PhysX engine compatibility with this 3rd party card, who do you think will be the target of the whining and lamenting? Who do you think will be expected to remedy the situation? Who do you think will have to pay for the (possibly massive) support structure and reprogramming of the PhysX engine every time the other graphics card players make changes to their hardware and/or driver software? Seriously, who?

Think before you start complaining about a company "putting it's own agenda ahead of its users" please. They are NOT putting an agenda before THEIR users, they are simply making sure that THEIR users (who have purchased THEIR hardware) get the priority, and the perks for buying an nVidia product. That's part of the game, a product has to have things that give you a reason to buy them, in this case the PhysX engine is a bonus. It is NOT by any means an inalienable right that every PC user can claim. You choose ATi, you lose out, and have to make due with the Havoc engine. The end. Period. End of debate.

God I love Nvidia. They're just so kind

Vrmithrax, Mac vs PC, PS3 vs Xbox, ATI vs nVidia. You're a fanboy. If another company makes a product that supports the standard that PhysX purportedly follows, it is their choice. This is purely a matter of trying to force ATI and other graphic card users to switch to nVidia. Nothing more. Let's see what happens to PhysX when industry standards are implemented into DX11.

Sorry, fail, Nitro... I use ATi exclusively, have for years, and am in love with the new 5890, but (im)patiently waiting for the dual GPU version before I grab one. So what does that do for your theories now, huh? The fact is, nVidia owns PhysX outright, and can choose when, and if, they allow whoever they want to use it. If I was nVidia, I'd be keeping it for myself to give another edge in a VERY competitive marketplace, but I would also NOT want to have tons of "your crap doesn't work" technical support issues due to 3rd party hardware incompatibilities - at least with their internal GPU products, they can handle their own internal hardware/software.

It's really basic common sense and a tiny morsel of business intelligence. What you (and those others who seem to feel entitled to PhysX no matter who owns it) seem to miss, is that MONEY WAS PAID FOR THE TECHNOLOGY. nVidia makes absolutely NOTHING on an ATi card that can run PhysX when it is sold. To give an invested technology away is absolutely, irrevocably stupid and would probably completely piss off their shareholders. Don't ever forget, this is a business, and I can virtually guarantee that if ATi was the one that owned PhysX, we'd be seeing this same argument with just the sides switched.

You guys might as well be pissing and moaning about Norton not just giving away its virus scanning technology to anyone that wants it, or Apple for making iTunes use proprietary formats that don't work flawlessly on every single personal media player on the market... Whether we like it or not, business is business, and if people can't make money, they won't BE in business. Imagine what the video card market would be like if it was just a 1 pony race (either nVidia or ATi)... You can bet that the regular MASSIVE upgrades and enhancements to GPU technology would not be coming at anything close to the breakneck speeds that they are coming now... No reason to push to win, if there's only 1 racer.

Slight edit... Make that the 5870 I'm in love with, got ahead of myself (and current technology, apparently - it appears too much caffeine can make you leap forward in time).

Sales of what? If they support PhysX on ATi cards, they are selling their competitor's product, not their own. That would be a pretty bad business move there, don't ya think?

Vrmithrax your argument has a small flaw. This is not about running Physx on ATI cards. This is about running graphics on an ATI board while running physx on an nVidia board. Having both pieces of hardware on one machine. What nVidia is doing is writing code to disable physx effects running on nVidia gpu's if it detects an ATI card as well. While not supporting the hardware conflicts this might entail is understandable, flat out disabling the functionality because your competitor's hardware is present seems more like anti-competitive business practices.

you missed an important point. its not support for PhysX on ATi that people are complaining about. NVIDIA is not letting people run PhysX on an NVIDIA card if the ATi is the primary card running the game. so yes NVIDIA are shooting themselfs in the foot, in that, IF ati have a faster card and people want to use it for graphics someone who might afford to buy an nvidia card along side to handle the graphics now cant. And further more which is making me more angry is that people who bought their card are now being forced to either stick with them or to just throw away their current card. Its unfair in my humble opinion.

Oh, I got the basic point of it... But my point is that, from a support and compatibility standpoint, the mixing of cards and then trying to make sure a proprietary software package like PhysX would work in some mixed-pair combination could become a burden for nVidia, but nobody seems to care about that. If you have an ATi card as your primary output, and an nVidia card also on-board (which seems weird, why not go one or the other, so you can SLI or Crossfire?), then who do you think will get the flak when some incompatibility between 2 completely different GPU types with different graphics drivers doesn't process PhysX correctly? Even if you take the whole sales pitch into account, in many ways nVidia are just protecting themselves from a possible crapstorm of support nightmares. Who are we to tell them that they MUST support a 3rd party's hardware configuration, and keep up with that outside company's driver and hardware changes, as well as their own? It's their software, they should be able to choose what platform configurations they choose to support. Or do they not get the same rights as all of the other PC hardware companies in existence? As much as I dislike some of nVidia's practices, I can't find fault in their actions in this case.

Me, I'm rooting for AMD's open-source physics engine initiative. It would eliminate all of this debate, as the playing field would be leveled.

I cant believe what just happened to me this morning. I got a new 6 disk cd changer installed in my truck yesterday. So today I put 6 of my favorite cd's in and low and behold, none of them would play. I called Alpine, the manufacturer of the cd changer to see if they could help. This is what they told me:

"We apologize sir, however, Sony/BMG has implemented a new policy to help protect their investment, their music cd's will not play if there is another music cd present."

If this sounds like a joke to you, well, it is. Just like Nvidia.

Darnit, my Alpine was supposed to be a Sony

But im sure you all get my point.

If I pay 300 dollars for a video card that supports PhysX. It better do it! Whether I have an ATI, NVidia or Intel graphics chip. If you have a motherboard with an NVidia chipset you expect it to work with an ATI card. If you buy a an AMD processor you would expect it to work with an NVidia graphics card. And if I choose to run my 300 dollar NVidia card as just a PhysX board then as it is an advertised feature, it should work. Or they need to put a disclaimer on all their boards and provide compensation for those of us who already spent the money. PhysX will probably go by the wayside since they already have issues getting game companies to support it in GPU. OpenCL and its associated technologies should be more attractive to game developers since its one less licensing expense for the studio. But then again, DirectX is still here and theres licensing fees for it too.