Why can I not select ALT2GXB or ALTGX MegawWzard to instantiate high speed transceivers for Stratix GX devices in Quartus II 10.0 or later software versions? - Why can I not select ALT2GXB or ALTGX MegawWzard to instantiate high speed transceivers for Stratix GX devices in Quartus II 10.0 or later software versions? Description Quartus® II 10.0 or later software versions no longer support Stratix® GX deivces. Hence, ALT2GXB or ALTGX MegaWizard™ options are no longer available (grayed out), when you select Stratix GX devices in the MegaWizard Plug-In Manager. You'll need to use an older software version, if you are using Stratix GX devices. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['novalue'] novalue novalue ['Programmable Logic Devices', 'Stratix® GX FPGA'] ['novalue'] ['novalue'] ['novalue'] - 2021-08-25