> Personal favourite is the PDP 11 - you had the lights - the little
> flashing signals to tell you what was happening. I could see the
> differnece between build versus runtime just by looking at the sequences!
You should have tried using an AM/FM radio. Our PM* guys used to use one to
diagnose the system. They could tell what was happening by listening to the
static. We'd see them once a week.
One of the things we had was an inflatable dinosaur. When the system was
down, to allay the questions of dozens of students trundling through the
corridors to peek through the glass and ask if the system was down, we'd
turn the dinosaur on its back. If you saw the brontosaurus ("Sinclair")
with its feet in the air, you knew the computer was down.
--- Noel
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