Hardware

Cracking Open the IBM PC Jr.

Expansion slots

The other side of the case is more open and includes an open expansion slot for an internal modem.

About

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.