I was confused as to why Xbox would ever enable a feature intended for backwards compatibility with systems it does not need to be compatible with. Especially

I was confused as to why Xbox would ever enable a feature intended for backwards compatibility with systems it does not need to be compatible with. Especially at boot time. Turns out it did not; this apparently required a hardware modification to pull off. https://xboxdevwiki.net/Exploits#A20M.23_hack https://xboxdevwiki.net/Exploits#A20M.23_hack