[GreenKeys] Model 33 ASR Restoration Update

Thu Aug 6 20:44:25 EDT 2015

J: The Altair  680 is  one of the neatest   looking    front panel 
computers.   Its   smaller  size   makes  it seem  somehow busier   looking!

Any idea on the production numbers  for that  unit? I  suspect  less than 
the  8080  processor model or... 
it is  just  so cute  no one  wants to  part  with  them.    Any ideas?

Ed# 

In a message dated 8/6/2015 3:46:57 P.M. US Mountain Standard Time,  
tty at impakt.net writes:

David,

That is beyond cool!  I am doing an exhibit on  early 6800-based micros at 
Vintage Computer Festival Midwest later this  month.  My whole reason for
getting my teletype (which you so  graciously have made the replacement 
type hammer pieces for everyone, which I  now have installed on mine) was to get
my unit working with my Altair 680,  which is a 6800 machine that was 
designed and announced in '75, and finally  shipped in early '76.

I've been plugging away at it for the last  several weeks, and it brings a 
smile to my face to see your homebrew rig  running, and you're doing some
things similar to what I'm doing with  mine.

cheers,
j

David Tumey via GreenKeys(greenkeys)  wrote:
> Hope the list doesn't mind me sharing the reunion of the '369  UMass 
teletype with the 6802-based computer I built as a kid.  As  mentioned in 
previous updates, I wrangled the '369 from the engineering school  at UMass to use 
as a terminal with the 6802 machine I started building when I  was 19.  The 
last time these two machines communicated was in 1983.  After wandering 
around the US for the past 32 years taking very  different paths (the TTY was 
MIA since 1994), they have been reunited for the  first time.  I have 
attached a couple photos.  My thanks to the list  for all the help getting here.
> Note the '369 is going topless for now  (it is S. FL so that is expected) 
while the work on the plastics is completed.  The computer is a 
single-board design sitting on a piece of plywood to  the left of the machine running a 
4K basic kluge off of EPROM.  The print  is hot off the platen.  
Surprisingly good character quality and  alignment!
> ...and yes, I did get a little misty while watching the  machine run a 
crude prime number generator I whipped up! Thanks for letting me  share.
> --daveW5DT

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