Hi, I have just tried to compile the PCI core using Xilinx ISE WebPACK 5.1i, but get the error: FATAL_ERROR: Xst: Portability/export/Port_Main.h:126:1.13 - ... exceptional condition ... terminate Any suggestions? Cheers John -- To unsubscribe from pci mailing list please visit http://www.opencores.org/mailinglists.shtml