i have two cards in crossfire, ati radeon x1950xtx and ati radeon x1950 crossfire , i have a big question, i connected the crossfire edition in the 2 slot, and the slave in the slot number 1 , i turned on my pc and didn´t have signal in the lcd display, then , in the bios utility i modify a parameter /pci and voala, i have a signal in my display, then, i installed the OS , drivers, etc etc, i played crysis, cod4 , then i moved my pc to another part of my house , and the video have a ghost effect, i couldn´t see the game graphics and i´m really desperate, i started to investigate in ati´s website but i can´t see anything to answer my problem , i get the manual reference and indicated the correct installation of video cards is the following, crossfire card slot 0 (master), x1950xtx card slot 1 (slave),i have another question,does the panel catalyst should show me the 2 cards???or only one ???, because only appears one card, and what´s the best configuration for cod4 and crysis with this cards in crossfire?, y have 8 gb in ram, and e6600 dual core processor my mb is asus Maximus Extreme edition and i like to have the best performance in my video games , please help me !!!!