Have there been any file name changes in the Stratix® V transceiver Megawizard files in Quartus® II 12.1? - Have there been any file name changes in the Stratix® V transceiver Megawizard files in Quartus® II 12.1? Description Yes, naming changes have been made to the underlying transceiver Megawizard files in Quartus® II 12.1. Previous to Quartus® II 12.1, an example name might be: <transceiver instance name>/stratixv_hssi_10g_tx_pcs_rbc.sv In Quartus® II 12.1, this would change to: <transceiver instance name>/sv_hssi_10g_tx_pcs_rbc.sv. These name changes could cause your .qsf assignments and/or .sdc constraints to be ignored during compilation. Resolution Once you have regenerated your Stratix® V transceiver instances in Quartus® II 12.1, you should then correct your .qsf and .sdc files by performing the following global string replacement: replace: \'stratixv_hssi\' With: \'sv_hssi\' Custom Fields values: ['novalue'] Troubleshooting 2205753160 False ['novalue'] ['novalue'] novalue novalue ['Stratix® V FPGAs', 'Stratix® V GX FPGA'] ['novalue'] ['novalue'] ['novalue']