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some problem about flash programmer

Honored Contributor II

I'm using DE1 board and QuartusII 9.1 SP2 & Software Build Tools for Eclipse. 


I set the reset address to flash in sopc builder and  

set the .text to sdram in SBT. 


I use the SBT's flash programmer to download the *.elf file to flash and download the *.sof file the EPCS4, and the programmer's message shows the download is successful. 


But when I reset the DE1 board , the leds are not on . why ?
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Honored Contributor II

And I have tried to download the *.pof file to EPCS, the result is the same__no leds on.