. Print first page, follow it exactly. Most people actually probably get it to work. But one wrong step and its a toss up if it will work. Follow the directions exactly... Read the whole thread every page you will see where people miss a step or use the wrong script. Use a 4870 card. They are $50 now and perform decently still for CAD. I have modded about 5 models, and many pcs over the years. Thanks to the work of Shocko and others, and good people here. Sometimes its a fight, the 4870 is not, it mods every time.