Hardware

Cracking Open the IBM PC Jr.

Jump the connection revisited

A connection is also jumped with a soldered external wire on the back side of the board.

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.