Hybrid sli...noob question

[mordax86]

So Im still trying to understand the ins and outs of graphics. So short and sweet noob question:
Geforce gtx 560 with Gtx 275 dedicated to physix. Is this possible on msi nf980-g65 mobo?
I currently have 2- 275s in sli on this motherboard and was thinking of upgrading to a 1090t and 12gigs ram. Thanks to overtime I was thinking of upgrading one to the 560 for cost/performance and to get dx11. I would like an "sli" setup for really no other reason then to say I have it (vain I guess). Or should I scrap the idea and just keep what I have for now and possibly build new in a couple years?
currently:
MSI NF-980 mobo
Phenom II x4 925
Thermaltake bigwater 780e liquid cooling sys.
evga gtx 275 in sli
4gigs patriot ddr3 1600 7-7-7-20
Coolermaster 1000w esa psu
killer bigfoot nic
silverstone esa commander

 

[IH8U]

If you want to do an SLI setup, the cards have to be the same. If you are wanting to SLI the 560, you need another 560. However to do a Physics setup, you need to uninstall the SLI drivers, and get the appropriate drivers from nVidia's site.

 

[Mousemonkey]

If you want to do an SLI setup, the cards have to be the same. If you are wanting to SLI the 560, you need another 560. However to do a Physics setup, you need to uninstall the SLI drivers, and get the appropriate drivers from nVidia's site.

The drivers are the same for SLi and none SLi, PhysX is a separate download and install now though it seems as I haven't noticed it as part of the driver install in the last couple.