Also known as | M0001A |
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Manufacturer | Apple Computer, Inc. |
Product family | Compact Macintosh |
Release date | January 16, 1986 |
Introductory price | US$2,599 (equivalent to $7,220 in 2023) |
Discontinued | October 15, 1990 September 27, 1996 (operating system updates) | (production)
Operating system | System 3.0 – 7.5.5 (except 7.5.2) |
CPU | Motorola 68000 @ 8 MHz |
Memory | 1 MB RAM, expandable to 4 MB (150 ns 30-pin SIMM) |
Display | 9 in (23 cm) monochrome, 512 × 342 |
Graphics | 72 ppi |
Dimensions | Height: 13.6 in (35 cm) Width: 9.6 in (24 cm) Depth: 10.9 in (28 cm) |
Mass | 16.5 lb (7.5 kg) |
Predecessor | Macintosh 512K Macintosh XL |
Successor | Macintosh SE Macintosh Classic Macintosh II |
Related | Macintosh 512Ke Apple IIGS |
The Macintosh Plus computer is the third model in the Macintosh line, introduced on January 16, 1986, two years after the original Macintosh and a little more than a year after the Macintosh 512K, with a price tag of US$2,599.[1] As an evolutionary improvement over the 512K, it shipped with 1 MB of RAM standard, expandable to 4 MB, and an external SCSI peripheral bus, among smaller improvements. Originally, the computer's case was the same beige color as the original Macintosh, Pantone 453;[2] however, in 1987, the case color was changed to the long-lived, warm gray "Platinum" color.[3] It is the earliest Macintosh model able to run System Software 5, System 6, and System 7, up to System 7.5.5, but not System 7.5.2.