http://en.wikipedia.org/wiki/Windows_8#Secure_boot http://en.wikipedia.org/wiki/Windows_8#Secure_boot "Concerns were raised that secure boot could prevent or h

http://en.wikipedia.org/wiki/Windows_8#Secure_boot http://en.wikipedia.org/wiki/Windows_8#Secure_boot "Concerns were raised that secure boot could prevent or hinder the use of alternate operating systems such as Linux." "Microsoft's certification requirements eventually revealed that that UEFI firmware on x86 systems must allow users to re-configure or turn off secure boot, but that this must not be possible on ARM-based systems (Windows RT)."