Making Serial & Parallel Port Loopback Adaptors for the Commodore Amiga - Engineering Technical - PCBway
File:Parallel port pinouts.svg - Wikimedia Commons
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power - where to syphon off voltage from a 25 pin serial? - Arduino Stack Exchange
DB25 Connector | 25 PIN D-Sub | EDAC Interconnect Solutions | EDAC
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A - A P P E N D I X -
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The pin layout of a parallel port and their significance. | Download Scientific Diagram
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Parallel port - Wikipedia
