Our lab has an old 486 which still runs MS-DOS 6.2 as its primary OS. Why? Because it's got a bunch of proprietary hardware in its guts that runs our different

Our lab has an old 486 which still runs MS-DOS 6.2 as its primary OS. Why? Because it's got a bunch of proprietary hardware in its guts that runs our differential scanning calorimeter, for which there are no modern drivers and no replacement hardware exists. Sure we could buy a new DSC, but the damn thing still works...