Cracking Open the IBM PC Jr.

The floppy controller

The floppy controller matches the floppy drive itself in terms of huge size. All of this fits onto a small chip these days.

About Mark Kaelin

Mark W. Kaelin has been writing and editing stories about the IT industry, gadgets, finance, accounting, and tech-life for more than 25 years. Most recently, he has been a regular contributor to BreakingModern.com, aNewDomain.net, and TechRepublic.

Free Newsletters, In your Inbox