I used the 286 in protected mode for developing the compiler, until the 386 became available. They were really worth it. OS/2 ran on the 286 in protected mode

I used the 286 in protected mode for developing the compiler, until the 386 became available. They were really worth it. OS/2 ran on the 286 in protected mode. Rational Systems had a 286 protected mode system that we shipped with Zortech. Pharlap had one, too.