Is the KEY_VERIFY JTAG instruction the same for Stratix IV and Stratix III devices? - Is the KEY_VERIFY JTAG instruction the same for Stratix IV and Stratix III devices? Description Yes, the KEY_VERIFY JTAG instruction is the same for Stratix® IV and Stratix III devices. You can use the same .jam file shown in Example 4 in AN 556: Using the Design Security Feature in Altera FPGAs (PDF) with Stratix III and Stratix IV devices. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['novalue'] novalue novalue ['Stratix® III FPGAs', 'Stratix® IV E FPGA', 'Stratix® IV GT FPGA', 'Stratix® IV GX FPGA'] ['novalue'] ['novalue'] ['novalue']