> Imagine if that lone guy at Microsoft didn't figure out trick with 286 protected mode that allowed Windows to survive and wasn't heard by top management - we would all be running OS/2 10 now.
I haven't heard this story before. Got a link?
I haven't heard this story before. Got a link?
The IBM way required IBM BIOS and an absurdly long time (as I recalled it was hundreds of milliseconds, not just milliseconds) to re-enter real mode.
The motivation was to be able to run DOS real-mode programs as well as protected mode programs.
https://blogs.msdn.microsoft.com/murrays/2006/12/07/saving-w...