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C > COMPUTER DEVICES INCORPORATED  > DOT


 

This mini forum is intended to provide a simple means of discussion about the Computer Devices Incorporated  DOT computer. If you want to share your own experience or memories, or add relevant information about this system: post a message! For other purposes like sales messages, hardware & software questions or information requests, please use our main forum.

  Click Here to add a message in the forum

 

Saturday 20th June 2015
Bob Gershaw (massachusetts)

I worked on the development of the Sony drive interface unfortunately it was totally analog with plenty of problems and even though there was a chip set available which worked the management insisted on using the analog interface and pestered Sony to get the bugs out since it was a recommended circuit by them this caused long delays in its release and never worked right. It was kind of a cool design though. one problem the thermal paper''s txt faded quite quickly. I worked with Dave Epstien a great guy. Miss you dave.


Friday 29th May 2015
Paul D. Conley (Durant, OK)

I attempted to use the DOT Computer as the principle input/output device, to a Department of Defense Network computer program I designed! The DOT Computer, for all of the great designed elements, Portability, Printer, Sony disc drive, key board, Screen, was the best device for my program, with Packet-networking, to a network of 60 Sequent Computers, operating 386 Duel Unix system! I would have bought 1 Dot Computer for each Army Detachment or Company, which would have been 25,000 units! But alas, at the time when I went to Billerica, Massachusetts to present my program, Computer Devices was in Bankruptcy and had stored the production units away in a garage and could not (would not?) release the units to the US Army!


Wednesday 10th July 2013
Doug Connell (USA)

If anyone is interested I still have my DOT computer with reams of company software and the back up parts they sold as an extra. I last used it in 1997 as an office computer to track business expenses at a small business I had. Email:taxmannh@hotmail.com. Hate to see it be trashed.


Wednesday 22nd February 2012
R Keith Beal (Irvine, Ca)

I was a developer on the Dot project.
The hardware was 100$ IBM PC-compatible.
To test it for compatibility they hired a typist to keyboard the BIOS source from the IBM PC Technical Reference.
We built it on an Intel MDS "Big Blue Box", burned EEPROMs and used it to qualify the hardware.

Our team wrote the BIOS with the help of some contractors.
Two of the contractors later took the code and founded Phoenix Associates.

It was the first computer to use the Sony 3.5 floppy.


Tuesday 4th October 2011
Bob Norman (USA)

This computer came out shortly after I left Computer Devices. They nicknamed it "DEC''s other terminal" as most of the top management came over when i left from DEC. It had real potential and the DOS was not cloned/copied from IBM (later a legal issue for Panasonic and others). CDI developed from scratch. The team later became Phoenix Bios developer, as i remember. BUT it was not 100$ IBM compatible BUT legal, BUT the world wanted 100$ (Flight Simulator test). So, it got little traction. It was also expensive but quality.


Tuesday 4th January 2011
Curtis Wilbar (MA, USA)

No, the DOT is not 100$ compatable. DOT DOS 1.something was the version that shipped with these systems. There was an unreleased port of DOS 2.0.

Besides some differences in video, as I understand it the BIOS was not 100$ compatible requiring software using (certain ?) BIOS calls to be ''ported''.


Monday 18th March 2002
Nick Robinson (Australia)

I would like to know if this Computer is 100% IBM PC Compatible?





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