“Was macht eigentlich der Turbo Button ?” Nun, er gibt mir das Quäntchen-Extra für “Wolfenstein3D”. #turbobutton #retrocomputing #286er #pc

@kawa actually it slows down (and if your System had fancy 7-segmebt displays for clock speeds, it would show you that as well!)...

OLED Display Lets Vintage PC Engage Turbo Mode In Style

Back in the 486 days, it was common to see a “Turbo” button on the front panel of many PCs, which was used to toggle between the CPU’s maximum speed and a slower clock rate that w…

Hackaday
486 Gets Animated Turbo Button Thanks To Arduino

There was a point in time, excruciatingly brief, in which desktop computers often had a large “TURBO” button on their front panel. Some even featured an LED display that would indicate …

Hackaday