I have a 6981 card which I took out of my old setup to insert into my new system. My new system M/B is an Asus P8Z77 - V PRO with onboard graphics, Ivybridge i7 CPU, 8gb Corsair RAM, Corsair 750 watt PSU. When I put the card into the small PCIe slot 1 and power up, the Red coloured VGA LED lights up...