All three slots may not need to have a full 16 lanes routed to them, 4 or 8 may work out fine, but the slot physically must be 16x.The Inq doesn't seem to know why but I'm sure this is because ATI will soon announce its own physics solution.
ATI wants third PCI Express slot for physics
Posted on Tuesday, June 06 2006 @ 2:32 CEST by Thomas De Maesschalck