Configuring two graphics cards to use one for CUDA

I have two graphics cards: integrated Intel Q965 Chipset and NVidia GeForce 430GT. Is it possible to configure them to use the first for video and the second for CUDA only? If one card is set as primary in BIOS, the system cannot detect the other. OS: Windows 7 32-bit.

As far as I know, not on a desktop. On a desktop, the motherboard disables the onboard GPU if it detects a discrete one. On a laptop it is usually possible