Why does FPP configuration using an Enhanced Configuration Device fail? - Why does FPP configuration using an Enhanced Configuration Device fail? Description Due to a problem in Quartus® II software version 9.1sp1 and later, Fast Passive Parallel (FPP) configuration using an Enhanced Configuration Device (EPC) may fail and CONF_DONE may not assert. Resolution To work around this issue, use the Convert Programming File utility with Post-chain bitstream pad bytes option to convert a SRAM Object File ( .sof ) to a Programmer Object File (. pof ) for the EPC device. Click Advanced... in the Convert Programming File utility and enter 2 or 4 into Post-chain bitstream pad bytes field when you generate a .pof for FPP with EPC device. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 9.0.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']