Even 30 years ago, Apple had a thing for tidy packaging. With just a little coaxing, the logic board slides neatly out of its tray.

There's no active cooling on this daddy Mac. The Motorola 68000 has a little breathing room, but nothing more.

This processor, commonly called the 68k, is a surprisingly popular chip. Aside from the Macintosh, it can also be found in the Sega Genesis, Commodore Amiga, Atari ST, and even the TI-89 graphing calculator.