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This mini forum is intended to provide a simple means of discussion about the Intersystems DPS-1 computer. If you want to share your own experience or memories, or add relevant information about this system: post a message!

  Click Here to add a message in the forum


Thursday 29th October 2020
AJ (Iowa/USA)
Entrex 480

Responding to your page at$1$c$574

In late July of this past year, I acquired an auction lot that had one of these boards for the front panel of one of these systems.

Are these images helpful to you?$sharing$sharing
Google Docs

Saturday 14th April 2018
James Gregor Owen (Florida USA)

Sat 4/14/18 7:54 am. Well I worked at Ithaca Intersystems in the golden days and lived to tell the tale, not that there''s so much to tell.

Friday 18th August 2017
Loretta M. (California, USA)

In my post below, I didn''t finish a sentence.

The company I worked for sold Ithaca Intersystems computers with the usual trusty Televideo terminals, with the monochrome monitors.

Friday 20th July 2012
Steven Edelman (USA)

Anyone interesting in knowing more about Intersystems and the DPS-1 feel free to contact me. I starting the company.

Steve Edelman

Wednesday 22nd February 2012

As I said a few years ago, the DPS-1 works great. Now I managed to get an additional 2 8" drives so that if these fail, I have spares.
I have been trying to back up all my 8" software (much of it original, serialization diskettes such as MuLISP, MuMath, DRI and MS software et al) so that these can be Enjoyed by the future generations. The systems runs standard CP/M and the disk drives are SSDD drives used as SSSD. It is nice to be able to program using the front panel. I also have many additional boards, such as 256K of RAM (in 4 boards), additional hard disk drive adapters (ST506) and modem.

Thursday 9th February 2012

Ithaca College had 2 or 3 of these units in the 1981 to 1984 period. They used a pair of 8" floppies. They were co figured to boot a CPM from the floppies. The keys were on the front of the unit however you did not have to use them to boot. The units had a psd pascal compiler / environment. The units were used to teach assembly language.

Wednesday 15th September 2010
Peter (Luxembourg)

I have a working Ithaca DPS-1. You can see photos at

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