Re: [ros-dev] [ros-diffs] [mist] 25062: ReactOS Intel Mac compatibility commits, part 1/2, by Michael Steil. == A20 Gate and the Keyboard Controller == In order to turn on the A20 gate, the keyboard controller has to be emptied. This is done in freeldr by reading bytes until the keyboard controller signals it's empty. Intel Macs don't have PS/2 keyboard controller and the status register always reads back 0xFF, so the "there is data" bit will never be cleared. (The same problem has been in GRUB as well as i