Can motherboards with two pci-16 take two video cards to use four monitors similar to TripleHead2Go? Does this cause undue duress on the cpu?

Can motherboards with two pci-16 take two video cards to use four monitors similar to TripleHead2Go? Yes and NoYou can only span Full Screen across a single graphics card (2 Screens) You can go into Windowed mode and drag a Window across more than 2 screens but expect a massive framerate hitDoes this cause undue duress on the cpu?Depends on your MB/CPU/RAM combination! and whether you have Windows spanning more than one screenRegardsJim(EVGA 680i, X6800, 2GB PC2(1066), 2 x 8800GTX)