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Petopinto

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#1 Petopinto
Member since 2006 • 25 Posts

Hi ppl,

I had a problem with this cards (Nvidia Geforce 8700m GT x 2 -256mb), just like soooo many around the web:

SLI didnt work properly. But I think i figure out the problem.

I installed some drivers, 167.51 and 174.82 To test it out, but SLI was just not working.,

the performance was just ridiculous. So after research and almost getting crazy... i did this.....,:)

1. Disable AgeiaPhysx Card. (go to Device Manager, just disable, you dont have to uninstall)

2. Install drivers. (167.51 or 174.82 I recommend)

3. Restart Machine

4. Enable SLI (Nvidia control panel)... and Restart again.

5. SLI SHOULD BE WORKING GREAT! AFTER THAT.

6. If you see that performance is what you expected , then you can Enable AgeiaPhysx again. (and test SLI again).

8. Should be just fine by now. (SLI + Ageiaphysx).

9. Im getting 55 fps - 60 fps. at the beggining of 3dmark06 test. Without SLI enabled, you get 25 - 28 fps.

10. If SLI, stops to work again (it shouldn't though)... but just do the same thing.. Disable AgeiaPhysx. Enable SLI. RESTART, done.

Conclusion.....

AgeiaPhysx Card must be creating some conflict, since it uses a Pci Express port... same type of port as the video cards.

Im just guessing about the conflict, due my own experimentation. But it finally fixed my problem.

So I can say now.... the Machine is great. :)

I hope this will help many, who are frustated with the performance of SLI Setups on DELL laptops M1730.

good luck to all.

Andreas