The bottom PCIX-64 riser
connector linked with the goldfinger is connected to the motherboard slot-6,
an completely independent PCIX bus connection. The top and middle PCI-32 riser
connectors linked with array-pins (main) and a 8-wire paddle link (shared
signal) are connected to the motherboard PCI-32 slot-5 and slot-4.
For 1 slot PCIX-64 and 2-slots
PCI-32 expansions such as Supermicro P8SCT.