your card is not directly supported. But there's a "hack" to enable CUDA support.
Take a look here:
Thanks for the response. I didn't clearly see the "how to" instructions in either link (??).
Did you read reply #1 in the 5683442 link?
Instructions seem clear to me... except your path will be for CS6 not CS5
minimum 1GB video ram
PC - add:
(Your card name) example: GeForce GTX 680
to this list:
C:\Program Files\Adobe\Adobe Premiere Pro CS5\cuda_supported_cards.txt
(or simply delete the cuda_supported_cards.txt file)
Thanks; I'll give it a try.