Re:Windows 3.x looks for 3 occurrences of “CON” 59 bytes apart
by Someone1234 on Saturday June 29, 2019 @11:23PM
(#20316148)
> They did the exact opposite, and added code to detect DR-DOS and disable Windows.
In 3.1. Before that Windows ran fine on other vendor's versions of DOS.
And in any case, it would be up to DR-DOS to emulate whatever MS-DOS was doing.