It's getting tiresome. For once, try to check your facts.

> in theory it would be able to make CPU cards for PegasosII with DDR3 slots etc?
> So in theory you could add an CPU card [...] with 2GHz G4 + DDR3 RAM slots?

There is no 2 GHz G4, as well as there is no G4 compatible memory controller with DDR3 interface, neither discrete nor integrated on a G4 SoC.

> Thanks for keeping this thread alive :)

I urge you to read and understand the facts stated within.