zotac 430 gt cuda and macos any help, drivers, ...

Currently working on a zotac 430 gt nvidia card… my brothers says this card does not support cuda is that right or does only support cuda 1.0?

we are running the zotac 430 gt on snow leopard but can only get 1024 resolution, If we take the resolution higher we get crashes… could we get new drivers to try ? I

this topic confused me, if someone can explain this