A side note... I had two KT7A motherboards just like this one. Both eventually died of the capacitor plague. Symptom was that it developed a random reboot or two, then just failed to POST at all. I tossed them a few years ago, but it would have been smarter for me to install new capacitors. Just FYI …

The cassette is called a "caddy", and they are indeed cool. Plextor actually made 32X drives that used caddies, and they are fairly silent. Thanks for that information, now I finally know what it was! I have a lot of fond memories of learning on that machine. It was a Dell 486dx2 upgraded to 32mb …

In 92/93 we had a 1x CD drive that had a cassette. You'd put the CD in the cassette and the the cassette in the drive. It was loud and clunky but I thought it was super cool. I remember installing Fate of Atlantis with it and being pretty impressed.