venkiraok 
hi, I previously i bought new mini2440 board.As i understood that superboot is the replacement of supervivi,whiledoing some expriemnt with sd card to boot u-boot i have encounterd some mistake and know when the board is switched to NOR mode its is not showing any output(MY SUPERBOOT IS NOT SHOWING ANY PROMPT)previosly it asked to boot from adcard or from usb,can any body tell me how to put superboot in to mini2440