Say what you will about suitcase computers, but at least most of them still have their keyboards with them. [danjovic] has this vintage Brazilian computer from the 1980s called a Gradiente Expert.

I have a Microsoft(tm) Natural(R) Keyboard Pro(wtf) and it only connects through USB. At my current client site, my development desktop runs NT 4.0 SP6, so no USB support there.<BR><BR>I've seen USB - ...

My laptop is USB-only. I have a Microsoft Natural keyboard and a Microsoft Intellimouse Explorer that I use daily, and I had an adapter that allows me to plug these two PS/2 devices in and then plug ...

The PS/2-style port was once about as ubiquitous on PCs as USB connectors are today, and more than a few of us accumulated a fair collection of keyboards and mice that sported the 6-pin mini-DIN plug.