Missed the cool toggle switches on the PDP-11 front panel. And the MITS Altair front panel. I once was typing innocently on a Cray-1 operators keyboard and fou

Missed the cool toggle switches on the PDP-11 front panel. And the MITS Altair front panel. I once was typing innocently on a Cray-1 operators keyboard and found out that a certain key combination would reboot the whole system.