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AT&T Unix PC Expansion Cards

1/2/2017

2 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.  
2 Comments
Convergent MightyFrame (AJ) link
4/8/2017 01:45:17 am

I love this content. Thank you for posting and cataloging these expansion boards. You are the first to do so. I've restored 4 of these machines, and they were key learning tools in my learning how to restore the Convergent Technologies MightyFrame. And more! Thank you!

-AJ
http://MightyFrame.com
http://Point4iris.com
http://QICreader.com
http://UnixPC.blogspot.com

Reply
Mark Brennan link
4/29/2017 03:21:06 pm

Hello Dean,
I have some Sun and SGI as well as other brochure (over 5000 items) posted on www.1000bit.it if you are interested, I was wondering if your friend had any AT&T catalog or brochure by any chance as I am looking to add to the AT&T section?
regards and thank
Mark

Reply



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    Dean Yergens

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

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