Some RapidIO IP Core Variations that Target a Stratix IV GX Device Require Installation of Arria II GX Support - Some RapidIO IP Core Variations that Target a Stratix IV GX Device Require Installation of Arria II GX Support Description In the MegaWizard Plug-In Manager design flow, generation of any RapidIO IP core variation that targets a Stratix IV device hangs, unless your installation includes Arria II GX support. Resolution To avoid this issue, ensure that you include support for Arria II GX devices in your Quartus II software installation. This issue will be fixed in a future version of the RapidIO MegaCore function. Custom Fields values: ['novalue'] Troubleshooting novalue True ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 12.1.1 ['Stratix® IV FPGAs'] ['novalue'] ['novalue'] ['novalue']