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AT&T Unix PC Expansion Cards

1/2/2017

3 Comments

 
I just received a lot of AT&T Unix PC Cards from a friend who used to work at AT&T at the time these were introduced.  I have alot of the orginial media for these (and had wondered what happend to the cards).  

In the lot are the following:
  • AT&T Speech Processor (sn-0174)
  • Memory Card - part number: D-43-00219-00
  • Memory Card - part number: D-43-00219-01
  • Memory Card - part number: D-43-00219-01 rev C
  • Memory Card - part number: D-43-00226-00 rev A
  • EIA/Ram Combo Card - part number: D-043-00221-00 rev A (2 RS232 ports) 
  • Tape Drive Interface - 60-00234-00 (parallel port)
  • Tape Drive Interface - 60-00234-00 (parallel port)
  • DOS 73 unix coprocessor - Alloy Computer Products
  • DOS 73 unix coprocessor (sn-569)- Alloy Computer Products

I have two AT&T computers - each one of these can take three cards.  
3 Comments

    Dean Yergens

    Computer Science, Medical Informatics, Health Services Research, Epidemiology.

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