The "My First FPGA Design Tutorial" works well on my dev board. However, I want to config FPGA by flash, but cannot find a way. I tried to convert .sof to .pof with FPP (Fast Passive Parallel x 8) mode, but not able to write into my flash. I also want to generate .flash by NIOS II EDS (this method is provided in Stratix IV Devkit user guide), but sof2flash not work at all... Please give me a help. Thank you.