5 ms·

This is purely speculation, but I wouldn't be at all surprised if there was a pin-strapping method that disabled the boot ROM and caused it to be read off the E

by xobs 11y ago

This is purely speculation, but I wouldn't be at all surprised if there was a pin-strapping method that disabled the boot ROM and caused it to be read off the EIM interface, which is probably how the ROM was debugged in the first place.