no clue if the one above could give you the result on a hacked system - you'd probably have to change your dashlaunch ini to restrict sig patching, when i say non bootable, you can just take any xex from a game, rename it, put it on the root and there you go
this works as xam can execute code before the entire thing is loaded, but if xam is like, i'm not a idiot this happens
e74 - physically messing with your board - unless you want to like RE xam