42 years ago today, on October 28, 1983, Texas Instruments announced it was discontinuing the TI-99/4A computer and withdrawing from the home computer market. It was a stunning admission of defeat for a company that had everything it took to absolutely dominate the home computer market: vertical integration, name recognition, pre-existing relationships with retailers, and a compelling design. Let’s look at what went wrong.

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.










