I might be wrong about this but like 6 years ago I swear i had a riser board i pulled out of a machine that interfaced to a pci slot and provided 3 more slots. The board had no ic's on it, i think it only had some discrete components. I pulled it out of a wierd sony machine. The PC i had at the time had a limited ammount of pci slots, and if i remember correctly i used the riser board from that sony machine to give me an extra two pci slots on my pc, which i made use of even though they just hung there ( no case on that box ).
Anyway, the point i'm getting at is would it be possible to use such a device on the Efika to give me more pci slots? And would it be possible to say use such a board to give me two pci slots and use the third avaiable pci slot on the riser to interface with that pci->agp board and effictavly have two pci slots and an agp on the Efika?
From what ive seen on the Efika is a standard PCI slot with an optional pcb that plugs in there and gives an agp port. THat pcb, how does it work? I have not seen this on other hardware. PCI and AGP both have 32 bit bus, but agp uses lower voltages on it's signal pins.