How do I address known software issues for Stratix V, Arria V and Cyclone V devices in the Quartus II software version 12.1 SP1? - How do I address known software issues for Stratix V, Arria V and Cyclone V devices in the Quartus II software version 12.1 SP1? 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 SP1. 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 date the file was updated and a list of software fixes. Resolution Download and install the Stratix V/Arria V/Cyclone V device patch 1.dp7 from the appropriate link below. You must install the Quartus II software version 12.1 SP1 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 SP1 after installing this patch. Patch 1.dp7 includes all the fixes from previously-released patches. You can install 1.dp7 over the previous device patches, but you do not need to install the previous device patches before installing 1.dp7. For Windows, users must install both part 1 and part 2 to apply all fixes for patch 1.dp7. For Linux, the single patch contains all fixes for patch 1.dp7. Download the version 12.1 SP1 patch 1.dp7 part 1 for Windows (.exe) Download the version 12.1 SP1 patch 1.dp7 part 2 for Windows (.exe) Download the version 12.1 SP1 patch 1.dp7 for Linux (.tar) Download the Readme for the Quartus II software version 12.1 SP1 patch 1.dp7 (.txt) To install a previously-released version of the Quartus II software version 12.1 SP1 Stratix V/Arria V/Cyclone V device patch, select the appropriate link below. Device patch 1.dp1 Download the version 12.1 SP1 patch 1.dp1 for Windows (.exe) Download the version 12.1 SP1 patch 1.dp1 for Linux (.tar) Download the Readme for the Quartus II software version 12.1 SP1 patch 1.dp1 (.txt) Device patch 1.dp4 Download the version 12.1 SP1 patch 1.dp4 for Windows (.exe) Download the version 12.1 SP1 patch 1.dp4 for Linux (.tar) Download the Readme for the Quartus II software version 12.1 SP1 patch 1.dp4 (.txt) Device patch 1.dp6 Download the version 12.1 SP1 patch 1.dp6 for Windows (.exe) Download the version 12.1 SP1 patch 1.dp6 for Linux (.tar) Download the Readme for the Quartus II software version 12.1 SP1 patch 1.dp6 (.txt) Related Articles Errata - Known Stratix V timing model issues in Quartus II software version 12.1 SP1 The .qip/.sdc files in the project .qsf are reordered when opening a project or re-generating IP in the Quartus II software version 12.1 SP1. Why is the dedicated transceiver refclk pin Vicm lower than the specification in the Arria V GX device datasheet when using Quartus II software versions 12.1sp1 and earlier? Error (170208): Cannot place <X> nodes into a single ALM Internal Error: Sub-system: EMIF, File: /quartus/periph/emif/emif_gen5_postproc.cpp, Line: 266 Internal Error: Sub-system: FSAC, File: /quartus/fitter/fsac/fsac_clkbuf_fix_atom_netlist.cpp, Line: 1698 Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 12.1.1 ['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']