Solved by ptrblck in post #2 
              
              
                Hi Frank, 
I assume you are referring to the compute capability 3.0, which should work with CUDA6.0 - CUDA10.1. 
If I’m not mistaken, the minimal compute capability for the current binaries is >=3.5, so you could build from source to support this older GPU. 
However, if you would like to play around…