A75A-G35 Problem installing Radeon 5850 and 5870 Video Cards

Hello,

I have a A75A-G35 motherboard with an AMD A4 processor.

When I install the first Radeon card (radeon 5850) the driver finds the card (no problem).

When I install the second card (Radeon 5870) the driver cannot install and the system reports an e...