Compaq MS-DOS 3.1

In support of my two Compaq Portables (II and III), I got myself a copy of the official Compaq 3.1 version of MS-DOS and BASIC. At least for the Compaq Portable II, my understanding is that this is the latest version (oddly, apart from MS-DOS 6.0) that it can run. […]

Booting the Compaq Portable II

A while back I got my hands on a Compaq Portable II, notable for being one of the first “luggable” PCs. Not the very earliest (as one might imagine from the name, there was a predecessor even from Compaq), but close enough to be interesting yet developed enough to be […]