Receiver only option in the What is the operation mode? box of the ALTGX MegaWizard Plug-In Manager for Stratix IV GX devices is unavailable. - Receiver only option in the What is the operation mode? box of the ALTGX MegaWizard Plug-In Manager for Stratix IV GX devices is unavailable. Description In the ALTGX MegaWizard Plug-In Manager, the Receiver only option is unavailable in the What is the operation mode box on the General tab of the Parameter Settings page. Resolution To make the Receiver only option available, follow these steps: In the Which subprotocol will you be using box, select XN . In the Which subprotocol will you be using box, select None . The Receiver only option in the What is the operation mode box is now available. Custom Fields values: ['novalue'] Troubleshooting novalue True ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 11.0 ['Stratix® IV FPGAs'] ['novalue'] ['novalue'] ['novalue']