Tektronix 4225 -- is it an X terminal?

Bob Rosenbloom bobalan at sbcglobal.net
Wed Feb 18 11:01:22 CST 2009

Al, Don't forget I have a whole bunch of the 405x docs and tapes (and 
disks) available for you to scan
anytime. See:



Al Kossow wrote:
> > All this makes me realise just how much Tek knowledge seems to be a 
> lost - I
> > mean, the earlier Tek terminals seem to be pretty well understood, 
> but then
> > most of the hardware, software and docs from the later years has 
> just vanished.
> It would be nice to try to get this documentation and software 
> archived, if it
> can still be found. There were a couple of generations of 
> workstations, including
> the obscure AI workstation that supported Lisp and Smalltalk. A friend 
> of mine
> worked on the 32000 based system before moving down to the valley.
> The development systems that had their own OS, then a port of Unix 
> called Tnix.
> And, all the DC300 based 405x software..

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