use devbuilder.bat to make xdk image from scratch, will need cpukey.txt and nanddump.bin or kv (must be jasper dev type 1); smc and smc config in "jasper"
use recovery.bat to make zeropaired image for bricked xdk recovery (will need donor kv, smc and smc config) (warning: idk if its just my kit, but by doing that i fucked up game playback off dvd. works fine on freeboot though)
tested only with 1GB xna jasper devkit, and i am not responsible for any bricks