Error (12002): Port "strobe_n_io" does not exist in macrofunction "dq_ddio.ubidir_dq_dqs" - Error (12002): Port "strobe_n_io" does not exist in macrofunction "dq_ddio.ubidir_dq_dqs" Description You may see the above error message when compiling a DDR2 hard memory controller with the DQS# Enable option under the Memory Parameters tab not selected. Resolution To work around this error, open the <variation_name>_p0_acv_hard_io_pads.v file and comment out the following line: //.strobe_n_io (mem_dqs_n[i]) Custom Fields values: ['novalue'] Troubleshooting 1408038797 False ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 13.1.4 ['Arria® V GT FPGA', 'Arria® V GX FPGA', 'Arria® V GZ FPGA', 'Arria® V ST FPGA', 'Arria® V SX FPGA', 'Cyclone® V E FPGA', 'Cyclone® V GT FPGA', 'Cyclone® V GX FPGA', 'Cyclone® V SE FPGA', 'Cyclone® V ST FPGA', 'Cyclone® V SX FPGA'] ['novalue'] ['novalue'] ['novalue']