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DE4-230 board powered off after .sof load and soft reboot

Honored Contributor I

Hi all,  


I am trying out the PCI Express High Performance reference design using the DE4-230 board. The board is inserted into Dell Precision T3400 machine with Windows xp installed.  



I am following the steps described on Page 14 of AN-456-1.5, however, after I loaded the .sof file from another computer to the machine which is in bios mode, exit the bios, and do a ctrl-alt-del, the DE4 board did a power off and everything is refreshed.  



If I didn't load anything to the board, and did a ctrl-alt-del after bios setup, it gives a normal soft reboot. 



Has anyone have the same problem as well and how do you fix this? Thanks.
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