This is the story of how Apple made a mistake in the ROM of the Macintosh Classic II that probably should have prevented it ...

In 1988, Apple introduced the Macintosh IIx, an upgrade of the Mac II that included a Motorola 68030 CPU. The IIcx – a compact version of the IIx, also with a 68030 – was introduced in 1989.

and low contrast made it difficult to use except in very bright settings. While the early Macs all came with built-in, 9-inch displays, the more powerful Macintosh II models required external monitors ...