Model Years: Early 1986

Initial OS: Macintosh System Software 1.0

Latest OS: Macintosh System Software 3.2

Released: January 16 1986

Discontinued: October 15 1990

Processor: 8MHz Motorola 68000

RAM Configurations Sold:
- 1MB SIMM RAM

Display Specifications:
- 9" Monochrome CRT Display
- 512 x 342 display resolution at 68ppi

New Features:
- Increased RAM
- Faster Memory