Take a look at this......
Great for a laugh if anybody has an old motherboard they would like to carve up to see if it works.
Especially like me if you have only 1 PCIE x16 slot available and 3-4 x1 slots also on the board.
(oh yes and a soldering iron or a Dremel

http://www.tomshardware.co.uk/forum/249291-12-card