I need to develope with Xilinx 4000 fpga series (I have some pieces), but i don't have any developement system. Can someone help me?
The downloadable SW from xilinx doesn't porgram such devices!
maybe that you can only place and route the lowers members of this family.
I don't now whic is you r target device
Generally if you nedd to p&R over a 20.000 gates is inibhit.