Microsoft open-sourced 86-DOS 1.00 source code on GitHub for its 45th anniversary, according to PCWorld, including kernel and PC-DOS development snapshots. This historically significant software, ...
When I built my first PC in the summer of 1991, it was a 286-12MHz machine w/1Meg of DIP RAM, EGA and a 40M IDE HDD. This had one of those chipsets that could to UMBs and EMM on 286 CPUs. Later ...
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