Apple Macintosh plus

Apple Macintosh plus

Apple Macintosh plus

I have three main units, three keyboards (m0110a),
three mice m0100) and Apple 800K external drive.

type computer
country USA
year 1986
os Mac os 3.0-7.5.5
cpu Motorola mc 68000
speed 8 MHz
ram 1MB
rom 128 KB
graphic 512 x 384
colors mono
sound tone generator
ports rs 232/422 (2), keyboard, mouse, SCSI DB-25, floppy DB-19

The Apple Macintosh Plus — The Mac for Everyone

Released in January 1986, the Macintosh Plus was the third model in the Macintosh family and arguably the first truly complete Macintosh. It addressed the most significant limitations of the 128K and 512K — adding 1 MB of RAM (expandable to 4 MB), a double-sided 800 KB floppy drive, and crucially a SCSI port for connecting external hard drives and other peripherals. The SCSI port was transformative: for the first time, Macintosh users could connect fast, large-capacity hard drives, making the Mac a practical machine for serious professional work.

Desktop Publishing Foundation

The Mac Plus arrived at precisely the right moment to enable the desktop publishing revolution. Combined with the Apple LaserWriter (1985) and Aldus PageMaker, the Mac Plus created an entirely new industry — professional-quality typeset documents produced on a personal computer. Newsletters, brochures, books, and magazines that had previously required expensive professional typesetting equipment could now be produced by small businesses and independent publishers. This revolution permanently transformed the publishing, advertising, and graphic design industries and made the Mac the creative professional’s computer of choice.

Longevity and Support

The Macintosh Plus remained in production until October 1990 — an extraordinary four-and-a-half year production run. During this time it was supported through successive Mac OS versions from System 1 all the way to System 7, receiving software updates that kept it relevant long after its contemporaries had been superseded. The collection holds two Mac Plus units reflecting the machine’s importance as the foundation of the Macintosh ecosystem.