Eagle Computer News Today

Macro Perspective on the Capital Markets, Economy, Geopolitics, Technology, and Digital Media

In the 1980s and ’90s, many IBM PC clones included a button on the case labeled “Turbo” that actually slowed down your PC when you pressed it. We explore why it was necessary, what it did, and who put it there in the first place.

Before Microsoft and Intel dominated the PC market with a common platform, the CP/M operating system did something similar for small business machines in the late 1970s and early 1980s—until MS-DOS pulled the rug out from under it. Here’s more about CP/M, and why it lost out to MS-DOS.