The PCI traces do not have reliable signal return, it is like transmitting signal on a single wire without a ground reference. 3dfx Voodoo5 6000 & 5000 World Owner Lists, Reseach & What I did for the 3dfx communities. The most noted issue was board instability when running in anti-aliasing modes, the noise on the bus would cause crashes and lockups. One attempted fix was to lower the VSA speeds from mhz to mhz, unfortunately this still did not address[…]
