Physx dedicated GPU and EVGA OC

[kendallcschm]

would this GPU work:
Newegg.com - ECS N8400GS2-512DS-F GeForce 8400 GS 512MB 64-bit DDR2 PCI HDCP Ready Video Card - Desktop Graphics / Video Cards

it goes in the PCI slot.. and i would use it purely for Physx processing.. nothing else..

i was also wondering why in EVGA precision why my clock settings randomly drop.. i would think that when im running F@H for GPU it would stay at the OC clock settings but it doesn't.. after a little bit it just drops.. to low settings that make folding suck.. same with 3D games.. IDK why.. can someone explain this to me?

[MarkOne]

I guess not

[Zero82z]

The 8400GS is not good enough for PhysX.

The reason your clocks are dropping is probably because your overclock is unstable and the drivers are crashing, which drops the card down to low-power 3D speeds when it recovers.

[kendallcschm]

Originally Posted by Zero82z

The 8400GS is not good enough for PhysX.

The reason your clocks are dropping is probably because your overclock is unstable and the drivers are crashing, which drops the card down to low-power 3D speeds when it recovers.

how can i test for stability.. its still at the clock settings i got it with

[Zero82z]

You said in your first post that you are trying to run the card at overclocked settings. If you aren't overclocked and it still happens, there's a possibility that you're having a power issue, given the fact that you're using a garbage power supply. The card may be throttling because it isn't getting enough juice.

[mchutch]

I had a GTX 260 Core 216 SC for gfx and a 8600GT XXX for PhysX and it ran fine. Of course no I want a Fermi for gfx and my GTX260 for PhysX..

In your situation, original PhysX was PCI, so it should work under the right environment ...in theory lol

[Zero82z]

Originally Posted by mchutch

I had a GTX 260 Core 216 SC for gfx and a 8600GT XXX for PhysX and it ran fine. Of course no I want a Fermi for gfx and my GTX260 for PhysX..

In your situation, original PhysX was PCI, so it should work under the right environment ...in theory lol

nVidia drivers will simply not allow PhysX to run on an 8400GS. The lowest-end PhysX-capable card is the 8600GT.

[Overclocker~4.1]

I suggest an 8800* card. When i got my 280GTX I set my 8800 GTX for physix. and holy Fu*k.

[mchutch]

Yes I agree, was saying it should have worked, but we all know now that PCIe slots must be utilized, unless it's an origianl PhysX card.