Cracking Open the IBM PC Jr.

RAM expansion revealed

After removing the shielding we can see a fairly standard set of RAM chips and a few controllers.


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.