Sridhar Ayengar <ploopster at gmail.com> writes:
  I would assume something similar to the geek port on
the BeBox. 
Yes -- lots of Acorn machines in the UK had "user ports" with a bunch
of general-purpose IO pins. Very useful for interfacing random
external hardware to the computer (such as a model railway, a
shortwave radio and my hamster's wheel, in my case).
--
Adam Sampson <ats at offog.org>                         <http://offog.org/>