How do I resolve the "Can't recognize silicon ID for Device 1" error when programming the EPCS device using the EP4SGX180 enhanced Serial Flash Loader image? - How do I resolve the "Can't recognize silicon ID for Device 1" error when programming the EPCS device using the EP4SGX180 enhanced Serial Flash Loader image? Description You might see this error when programming an EPCS device using a .jic, .jam, or .svf file for designs targeting EP4SGX180 devices when using the Intel® Quartus® II Programmer version 9.1 SP2. The Intel Quartus II software contains an incorrect factory default enhanced Serial Flash Loader (SFL) image for the EP4SGX180 device. Resolution A patch is available to fix this problem for the Intel Quartus II software version 9.1 SP2. Download and install patch 2.52 from the following links: For Windows: Quartus II software version 9.1SP2 Patch 2.52 for Windows (.exe) Readme for the Quartus II software version 9.1 SP2 Patch 2.52 for Windows (.txt) For Linux: Quartus II software version 9.1 SP2 Patch 2.52 for Linux (.tar) Readme for the Quartus II software version 9.1 SP2 Patch 2.52 for Linux (.txt) This problem is scheduled to be fixed in a future release of the Intel Quartus II software. Related Articles Why can't I find SFL images for my device in the Quartus II software version 9.1 SP2? Custom Fields values: ['novalue'] Troubleshooting - False ['novalue'] ['novalue'] novalue novalue ['Stratix® IV GX FPGA'] ['MicroBlaster™ Passive Serial Software Driver'] ['novalue'] ['novalue']