The PC turbo button mystery finally solved!

An example of how to settle a long-running Internet debate and bust a revisionist history myth, by reading manuals, books, and magazine articles, doing some research, and confirming it with your own tests. C’mon folks, it’s not that hard! For those who wanted to hear the history lesson in my own voice, watch this version: Time flow: 0:12 First, a History Lesson 2:27 Zenith Z-148 PC 3:38 A Typical 486 PC 10:13 Gateway 2000 4DX-33 11:42 5x86 with Fake Cache 14:57 Turbo Buttons EOL 15:51 Don’t take my word for it! Intel 486 SL Microprocessor SuperSet Data Book: #turbo #cpu #vintagecomputing