SLI pci@66mhz comparsion vs Pci-e in Bioshock (2007)

SLI pci@66mhz comparsion vs Pci-e in Bioshock (2007) on socket 604 dual irwindale with variation of 7900gs installation. Win7_64, Driver sli mod. PCI@66 mode has been tested via pci-x slots using plx8112 adapters and risers. Pci-e x1 and x8 tested directly on board pci-e slot.