Importing an SOPC Builder design that contains an ALTMEMPHY-based memory controller to Qsys (Beta) fails - Importing an SOPC Builder design that contains an ALTMEMPHY-based memory controller to Qsys (Beta) fails Description Attempting to import an SOPC Builder design that contains an ALTMEMPHY-based memory controller to Qsys fails and Qsys displays a message similar to the following: Exception during validation: altera.util.UnsupportedDevice Family Unsupported device family: unknown . Resolution Re-create the system in Qsys. Custom Fields values: ['novalue'] Troubleshooting novalue True ['novalue'] ['FPGA Dev Tools Quartus II Software'] 10.1 10.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']