The answer to the question about the DB-25 connector (and others) can be
found here, if one trusts Wikipedia.
https://en.wikipedia.org/wiki/D-subminiature
No, DEC did not invent it, Cannon did.
On Fri, 11 Aug 2023, Nigel Johnson Ham via cctalk wrote:
For once Wikipedia is right. Those diagrams are straight out of the
original Canon datasheets!
But is wikipedia still correct in the label of the picture of connector
for a Macintosh external floppy drive, that they are calling a "DB-19"?
https://en.wikipedia.org/wiki/File:Mac512k-rear_DB-19_Smartport_(cropped).jpg
https://en.wikipedia.org/wiki/D-subminiature#Other
Or, is it correct to refer to anything between DA and DB as "DB"??
(such as "DB-23" on Amiga? Yes, I dremeled a DB25 to fit.)
--
Grumpy Ol' Fred ci...@xenosoft.com