On 02/03/2010 03:26 PM, Jed Rothwell wrote: > Stephen A. Lawrence wrote: > >> Defective fly-by-wire is very scary. Can you even turn the engine off >> if the computer isn't listening? > > It is very scary, but as far as I know, they haven't made a computer yet > that does not respond to a hardware interrupt. You can /always/ reset a > computer.
IBM PC/AT. Usually, if it got confused, you could hit ^. or ^esc or some such to bring it back. Sometimes that didn't work, and you had to do a hard reset, which was done with Ctl-Alt-Backspace. But sometimes............. ... that didn't work either, nothing at all worked, and you had to use the big orange toggle switch on the side of the box.
