Subj : Today in History - 1981
To   : DAVE DRUM
From : Mike Powell
Date : Sat Aug 12 2023 08:33 am

> They went to Microsoft for the operating system (QDOS, renamed PC-DOS
> and later sold by Microsoft as MS-DOS) and to Intel +< for its 8088
> processor. They chose an existing monitor from IBM Japan and a
> dot-matrix printer by Epson. Only the keyboard and the system unit
> itself were new designs from IBM. Even more shocking at the time, the
> team opted to make the IBM PC an "open architecture" product, and
> published a technical reference of the systemgCOs circuit designs and
> software source codes. With this information, other companies could
> develop software and build peripheral components.

It is even more shocking in hindsight considering that they would later try
to make it more difficult to use non-IBM parts on their machines.

Mike


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