Eh, this isn't promising.
http://www.realtimesoft.com/multimon/articles/pcie/
So what the hell can I use in one of these PCI-E x1 slots?
Apparently this would theoretically work in one of the PCI slots:
http://www.newegg.com/Product/Produc...33#DetailSpecs
But isn't the low bandwidth of PCI an issue?