I am looking for schematic diagram, xilinx now does not release any documentation about this (imho it is obselete). I wonder how, some conections were done, I am designing some plugin module with spartan2 fpga.
Im not sure if you are looking for a particular board. But if you just want a circuit of a dev board with the spartan II try
h--p://www.xess.com
you can download the user manuals that include the schematics.