1986 Apple Macintosh Plus M0001A

The Apple Macintosh Plus M0001A was a compact desktop computer that was manufactured by the well-known company Apple and officially released in the year of 1986.

Background

The Macintosh Plus came into existence as the third model in the extensive line of Macintosh computers produced by Apple, arriving two years after the original Macintosh and shortly following the release of the Macintosh 512K. This particular model was designed specifically to address the early user complaints regarding the limitations of expandability, and it represented a significant and noteworthy step forward in the realm of personal computing technology during the mid-1980s.

The talented engineers at Apple concentrated their efforts on enhancing the core capabilities of the machine, notably doubling the read-only memory (ROM) from a modest 64 kB to a more substantial 128 kB, as well as increasing the standard random access memory (RAM) to 1 MB, which could be expanded up to a maximum of 4 MB by utilizing 30-pin single in-line memory modules (SIMM). This innovative approach allowed users considerably more flexibility in configuring their unique computing experience, which was a notable departure from the more rigid specifications of previous models.

Features

The Macintosh Plus introduced several groundbreaking and innovative technical specifications that were quite remarkable for its era. It utilized a Motorola 68000 processor that was running at an approximate speed of 8 MHz, paired with an impressive 9-inch monochrome display that supported a resolution of 512 x 342 pixels. The most significant innovation that this computer featured was the addition of a SCSI (Small Computer System Interface) port, which enabled users to connect to various external peripherals; however, it is worth noting that early implementations were not entirely compliant with the SCSI standard.

Key hardware features included:
– 1 MB of RAM (expandable to a maximum of 4 MB)
– A 3.5-inch double-sided floppy disk drive with an 800 KB capacity
– Two serial ports for connectivity
– A SCSI interface for external device connection
– 128 kB of ROM
– A monochrome display for visual output

The machine also retained the distinctive and recognizable all-in-one design that was characteristic of early Macintosh computers, with a compact form factor that measured 13.6 inches in height and weighed approximately 16.5 pounds.

Popularity and Legacy

While it was not an immediate blockbuster hit upon its release, the Macintosh Plus gradually gained steady traction among educational institutions and early adopters of personal computing technology. Its improved expandability and enhanced peripheral connectivity made it significantly more attractive than previous models, thereby bridging the gap between hobbyist machines and professional computing tools that were more advanced.

The design of the computer influenced subsequent Macintosh models, particularly in its approach to modular memory expansion and the connectivity of external devices. Many professionals and students found the Mac Plus to be a reliable workstation for various tasks such as word processing, basic graphic design, and the early stages of desktop publishing.

Video Reviews and Commercials

A YouTuber reviews a Macintosh Plus computer, noting its French keyboard and good overall condition. Despite some yellowing, the screen remains bright and the internal disk drive functions properly. The video serves as a presentation for a potential sale on eBay.

Availability and Collectability

Originally priced at $2,599—an amount equivalent to roughly $7,460 when adjusted for inflation in 2024—the Macintosh Plus represented a significant investment for both individuals and organizations alike. Production of this model ran from January of 1986 until October of 1990, during which time Apple successfully sold substantial numbers of these machines.

Today, the Macintosh Plus has become a highly sought-after item among vintage computer collectors. Well-preserved models that come with their original packaging and functioning components can fetch significant prices in specialized markets. Enthusiasts and museums alike value these machines as important artifacts that document the fascinating evolution of personal computing technology.

Collectors typically look for models that feature:
– Original packaging that is intact
– Functional hardware components that work properly
– Minimal cosmetic damage to the exterior
– A complete accessory set, including keyboard and mouse
– Documented provenance that traces the history of the item

The Macintosh Plus represents an important transitional moment in the rich product history of Apple, embodying the company’s unwavering commitment to user-friendly design and technological innovation during the mid-1980s personal computing revolution.