Critical Issue
Description
Generation of an Ethernet 10-Gbps MAC megafunction with the MegaWizard Plug-In Manager fails if you have not installed Cyclone IV GX device support. During generation, the MegaWizard Plug-In Manager displays a message similar to the following:
Error: Family name "Cyclone IV GX" is illegal
This issue does not affect Ethernet 10G MAC megafunctions generated with Qsys.
Resolution
Install Cyclone IV GX device support.