Cybex Data Reduction Computer?? - test-drb@ccmp.vtda.org

23 Jul 2004

On Jul 24,  0:08, Ethan Dicks wrote:

...
  Oh... a little tip - I have proven that the 6520 on
the display board can
...
  be replaced with an 6821 (I have a number of 6821s
since they were used to
...
  drive the printer port and the diagnostic display for
the original COMBOARD
...
  model). 
We used to do that for the user ports on PETs.  We had a lot of PETs,
and found the 6520s on user ports could be rather fragile, but 6821s
were rather better.

-- 
Pete						Peter Turnbull
						Network Manager
						University of York