DA-15. DB is the size of a PC parallel port. 9 pin serial ports and Atari 2600
or old SEGA game ports are DE. The letter references the size of D-Subminiature
connectors. Apple's 19 pin floppy connector is a bastard size, used in very few
applications - something on NeXT and Atari in addition to Mac and later apple
][ external floppies, so it has no official letter designation. (But people
still call it DB-19.)
Well, they haven't been made since sometime in the 1990's and the supply had
completely dried up. Big Mess O Wires makes a floppy emulator for old Mac and
apple ][ computers and needed those connectors but couldn't get any. Eventually
he roped in NeXT and Atari enthusiasts and an electronics supplier wanting some
- raised enough money for the 10,000 piece minimum order.
I wonder what it felt like to have the entire worldwide supply of a new thing
sitting on his patio? DB-19: Resurrecting an Obsolete Connector | Big Mess o'
Wires
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DB-19: Resurrecting an Obsolete Connector | Big Mess o' Wires
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From: Ralph Stirling <[email protected]>
To: Enhanced Machine Controller (EMC) <[email protected]>
Sent: Thursday, July 14, 2016 10:14 PM
Subject: Re: [Emc-users] Anyone heard of EBZ Engineering from the mid 90's?
DB15 connectors are used lots of places besides ancient pc game ports. Highly
unlikely this machine has any connection to the game port.
If you can determine the type of motors (stepper, dc brush, or unlikely
brushless dc), you can then either ditch all the electronics or start figuring
out what the chips on the pcb are doing. If there is a big microprocessor (40
pins or more), forget using the electronics with lcnc.
-- Ralph
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