The Commodore 64 came equipped with a powerful sound chip called the SID, acronym for sound interface device. In its later years, one of the ways Commodore enthusiasts extended the usefulness of their machines was by adding a second sound chip. Let’s talk about this capability and how many people took advantage of it.
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.
