PDP-10 (was Re: EDSAC on your desk.)

From: Eric Smith <eric_at_brouhaha.com>
Date: Tue Sep 22 21:22:34 1998

Huw Davies <H.Davies_at_latrobe.edu.au> wrote:
> Indeed it was a KI. We had weekly scheduled PMs. During this period, apart
> from anything else, the engineer checked for defective bulbs. I seem to
> recall that he used to replace 10 or so each week. (For those of you not
> fortunate enough to see a -10, ours consisted of about 25 cabinets, each of
> which had a minimum of 144 bulbs. That makes for lots of bulbs....

What a waste of time! Even on the KA10 I used, the bulbs had been replaced
with LEDs. There were several companies that made LEDs packaged with
current limiting resistors specifically for bulb replacement.
Received on Tue Sep 22 1998 - 21:22:34 BST