I spotted a useful cable at a used computer store recently. I wasn’t 100% certain what it was, but I had the ability to rewire it into what I needed if it turned out I was wrong. Here’s how I went about identifying the cable with my multimeter.

David Farquhar is a computer security professional, entrepreneur, and author. He has written professionally about computers since 1991, so he was writing about retro computers when they were still new. He has been working in IT professionally since 1994 and has specialized in vulnerability management since 2013. He holds Security+ and CISSP certifications. Today he blogs five times a week, mostly about retro computers and retro gaming covering the time period from 1975 to 2000.









