My video card is a: ASUS EAH6950 DCII/2DI4S/2GD5 Radeon HD 6950 2GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card: Radeon 6950
I had to buy an adapter since my monitors didn't have a DisplayPorts. I tried a cable but it would not work for eyefinity, it only worked as a generic desktop, so I had to get an active adapter: I went with a StarTech DP2DVID DisplayPort to DVI Dual Link Active Converter – USB Powered Adapter
So if your eyefinity doesn't work when using an adapter for DisplayPort then you need an active adapter. My 2 Monitors use the DVI connection and the 3rd uses a DisplayPort active adapater.I can add 3 more monitors. At some point I will take of the border from the monitors and build a custom housing for them. Maybe I'll do all 6
Windows shows my resolution as 4800x900
