Georgia Tech got two 3B20s.  They did very little more than consume
electricity and look impressive.  I wanted to port 4.2BSD to them,
but that never got off the ground.

"Ron Natalie" <ron@ronnatalie.com> wrote:

>
> >. But everyone knew what the J stood for. The 3B2 served as a doorstop.
>
> Shades of the jerq terminal.    The J prefix persiste in the code long
> after the nickname was quashed.
>
>
> Being in charge of the Rutgers computer center, we were gifted a lot of
> ATT hardware.   We had one 3B20 (now that was a pure piece of phone
> equipment, you shut it down by turning a switch inside and holding the
> button down until it twanged.   Just like putting an old 303 modem into
> loop back).   We also got three 3B5's (noted for the one installed in
> the New Brunswick computing room that got completely drenched when a
> pipe burst and kept on running) and countless of the 3B2s.    I chortled
> in that unless you were logged in as root, you couldn't work the power
> switch.    Yanking the cord out of the wall was still and option.