Adding a Physx Card To System What Will it Run at x4?

Deleted member 362816 · Mar 27, 2013

http://www.newegg.com/Product/Product.aspx?Item=N82E16813128514

This motherboard has 2x x16 slots and 2x x4 slot.

So lets say 2 7850's are running at x16 x16 or x8/x8

If you add a ded physx card to the x4 slot will it knock the speed of the other cards down.

I feel like I am really overthinking this.

Does a physx card need more then a x4 slot.

blazorthon · Mar 27, 2013

IDK for sure, but I think that an x4 slot would be fine. Just make sure that you have a good enough PhysX card for two 7850s.

Deleted member 362816 · Mar 27, 2013

gtx 260 core 216

Pinhedd · Mar 27, 2013

PhysX is only "officially" compatible with NVidia GPUs. If you have an AMD GPU in your system and try and use a dedicated NVidia GPU as a PhysX accelerator it will disable PhysX. It is possible to trick it into working via a driver hack and some modifications, but it's quite problematic.

With that in mind, is the 4x slot a 4x width slot running in 4x mode, or a full 16x width slot running in 4x mode? You will not be able to fit a GPU with a full width connector into a 4x slot unless you take a hacksaw to it.

Fun fact: Unlike this poor guy, if you cut a PCIe card in the right way, it will work in a smaller slot. I highly advise against doing this though

Deleted member 362816 · Mar 27, 2013

Pinhedd :

PhysX is only "officially" compatible with NVidia GPUs. If you have an AMD GPU in your system and try and use a dedicated NVidia GPU as a PhysX accelerator it will disable PhysX. It is possible to trick it into working via a driver hack and some modifications, but it's quite problematic.

With that in mind, is the 4x slot a 4x width slot running in 4x mode, or a full 16x width slot running in 4x mode? You will not be able to fit a GPU with a full width connector into a 4x slot unless you take a hacksaw to it.

Fun fact: Unlike this poor guy, if you cut a PCIe card in the right way, it will work in a smaller slot. I highly advise against doing this though

Its a full slot. The question is I though the hacks for this have gotten better. If they haven't that makes me a bit mad. I need to find more insight on this matter before i proceed with it.

edogawa · Mar 27, 2013

Pinhedd :

PhysX is only "officially" compatible with NVidia GPUs. If you have an AMD GPU in your system and try and use a dedicated NVidia GPU as a PhysX accelerator it will disable PhysX. It is possible to trick it into working via a driver hack and some modifications, but it's quite problematic.

With that in mind, is the 4x slot a 4x width slot running in 4x mode, or a full 16x width slot running in 4x mode? You will not be able to fit a GPU with a full width connector into a 4x slot unless you take a hacksaw to it.

Fun fact: Unlike this poor guy, if you cut a PCIe card in the right way, it will work in a smaller slot. I highly advise against doing this though

Okay, that thread is freaking hilarious. LOL

blazorthon · Mar 27, 2013

Pinhedd :

Its a full slot. The question is I though the hacks for this have gotten better. If they haven't that makes me a bit mad. I need to find more insight on this matter before i proceed with it.

The PhysX hacks are supposedly easy, but I tend to not bother with them and can't guarantee that you'll find them easy. You can simply use an old version of the PhysX driver if you don't want to hack anything.

17seconds · Mar 27, 2013

The AMD "Hybrid" PhysX hack is a thing of the past. The last Nvidia driver that it supports is the 285 family from mid-2011, same as the last supported PhysX driver. Newer games will not work. By the way, a x4 slot would work fine.
http://physxinfo.com/wiki/Hybrid_PhysX

blazorthon · Mar 27, 2013

17seconds :

Actually, there are still hacks even for some of the 2012 and 2013 drivers.

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