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Even though Nvidia Corp. does not want to enable support of hardware physics processing using its PhysX application programming interface (API) on systems that use ATI Radeon graphics cards for rendering, an independent enthusiast has managed to create a patch that re-enables hardware PhysX processing using GeForce or Ageia chips on “non-qualified” computers.

Last week it transpired that Nvidia had decided to disable support of hardware physics effects processing using PhysX API and GeForce GPU or Ageia PhysX PPU in systems where ATI Radeon graphics card is used for graphics rendering. Even though few people actually use PhysX PPUs or Nvidia GeForce graphics boards inside the systems with ATI Radeon graphics boards, Nvidia’s decision has caused rather massive outrage by the enthusiast community.

Ngohq.com web-site reports that a forum member by the name of GenL has released an experimental beta patch which intercepts disable-PhysX-if-Radeon-is-present-code. So far, according to user comments the patch delivers successful results. At this stage, the patch only works for PhysX GPU acceleration and not PPU acceleration. Nevertheless, the developer claims that work is still in progress.

Nvidia did not comment on the news-story.

Tags: Nvidia, PhysX, AMD, ATI, Radeon, Geforce

Discussion

Comments currently: 3
Discussion started: 10/05/09 02:29:47 PM
Latest comment: 10/09/09 01:02:22 AM

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1. 
This was inevitable considering the "ban" is done via drivers and it only takes changing a single disable bit from true to false or altering the ban string to something non-existent. Eventually, there's going to be settings for this in 3rd party nVidia drivers and utilities. I wonder if it leads to nVidia putting proprietary disable code on their graphic cards, tho. Regardless, cracking drivers or re-flashing the board itself, a minor annoyance for your user base, dear nVidia, and a terrible PR hangover that will last for a long time. My self-respect prevents me to wait for your G300, I'm going the ATI route now for my scheduled GPU to GPGPU upgrade Serves you right!
0 0 [Posted by: MyK  | Date: 10/05/09 02:29:47 PM]
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2. 
Sorry to say but THAT WAS REALLY PETTY OF NVIDIA to disable PhysX if there is a hint of ATI in a person's system. I guess desperation is showing a very ugly side.

Same here all ATI for me now! Why bother with Physx when OpenCL is just around the corner.
0 0 [Posted by: goury  | Date: 10/06/09 07:15:06 PM]
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3. 
Excelent work GenL! shame on you NVIDIA!

As we say here(mexico)...[Patadas de ahogado] = "drowned's kicks"... (they're already dead but still moving) [it's just a reflect that the brain is not getting O2"]xD...I think NVIDIA is running out of ideas on "how to survive"

by the way...I´m not trying to show me as a fan of any brand, i'm more like a mercenary and IMHO this is the way to go...you all know how it is ...right?
0 0 [Posted by: SIDMX  | Date: 10/09/09 01:02:22 AM]
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