Hardware

Cracking Open the IBM PC Jr.

Power control

The power controller is compactly designed but looks ominous and should be handled with care.

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.