It was the Hercules monitor support that had those amber fossils still sitting on the desks of every video card driver authors desks (and games programmers too)

It was the Hercules monitor support that had those amber fossils still sitting on the desks of every video card driver authors desks (and games programmers too) into the late nineties. VxD dot commands allowed you to extend and use a plethora of debug commands beyond the built in. Once Windows had working multimonitor support, that crucial aspect of Softice's utility was no longer unique.