How do I address known software issues for Stratix V, Arria V and Cyclone V devices in the Quartus II software version 12.1? - How do I address known software issues for Stratix V, Arria V and Cyclone V devices in the Quartus II software version 12.1? Description There is a single patch available to address known software issues for Stratix® V, Arria® V, and Cyclone® V devices in the Quartus® II software version 12.1. This patch will be updated periodically with the latest software fixes. Check here periodically for updated files. You can refer to the readme file for the data the file was updated and a list of software fixes. Resolution Download and install the Stratix V/Arria V/Cyclone V device patch 0.dp5 from the appropriate link below. You must install the Quartus II software version 12.1 before installing this patch. Note that you should not install any non-Stratix V/Arria V/Cyclone V patches on the Quartus II software version 12.1 after installing this patch. Patch 0.dp5 includes all the fixes from previously-released patches. You can install 0.dp5 over the previous device patches, but you do not need to install the previous device patches before installing 0.dp5. Download the version 12.1 patch 0.dp5 for Windows (.exe) Download the version 12.1 patch 0.dp5 for Linux (.tar) Download the Readme for the Quartus II software version 12.1 patch 0.dp5 (.txt) To install a previously-released version of the Quartus II software version 12.1 Stratix V/Arria V/Cyclone V device patch, select the appropriate link below. Device patch 0.dp4 Download the version 12.1 patch 0.dp4 for Windows (.exe) Download the version 12.1 patch 0.dp4 for Linux (.tar) Download the Readme for the Quartus II software version 12.1 patch 0.dp4 (.txt) Device patch 0.dp3 Download the version 12.1 patch 0.dp3 for Windows (.exe) Download the version 12.1 patch 0.dp3 for Linux (.tar) Download the Readme for the Quartus II software version 12.1 patch 0.dp3 (.txt) Device patch 0.dp2 Download the version 12.1 patch 0.dp2 for Windows (.exe) Download the version 12.1 patch 0.dp2 for Linux (.tar) Download the Readme for the Quartus II software version 12.1 patch 0.dp2 (.txt) Device patch 0.dp1 Download the version 12.1 patch 0.dp1 for Windows (.exe) Download the version 12.1 patch 0.dp1 for Linux (.tar) Download the Readme for the Quartus II software version 12.1 patch 0.dp1 (.txt) Related Articles Errata Known Stratix V timing model issues in Quartus II software version 12.1 Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 12.1 ['Arria® V FPGAs and SoCs', '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 FPGAs and SoCs', 'Cyclone® V GT FPGA', 'Cyclone® V GX FPGA', 'Cyclone® V SE FPGA', 'Cyclone® V ST FPGA', 'Cyclone® V SX FPGA', 'Stratix® V E FPGA', 'Stratix® V FPGAs', 'Stratix® V GS FPGA', 'Stratix® V GT FPGA', 'Stratix® V GX FPGA'] ['novalue'] ['novalue'] ['novalue']