Model Years: Mid 1989

Storage: 20MB to 40MB (HDD)

Initial OS: Macintosh System Software 3.3

Latest OS: MacOS 7.5.5

Released: August 1 1989

Discontinued: October 15 1990

Processor: 8MHz Motorola 68000

RAM Configurations Sold:
- 1MB SIMM RAM Card

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

New Features:
- Able to ready 1.44mb disks