Apple Macintosh 128K

Apple Macintosh 128K was introduced in 24 January 1984 as Apple's first Macintosh and placed a mouse-driven graphical interface in a compact all-in-one case. It used a Motorola 68000 at 7.8336 MHz with 128KB. The 128KB memory was fixed and quickly proved restrictive for ambitious applications.

Its launch established the Macintosh interface, industrial design and software platform that became central to Apple's future.

Notable Features

• The 128KB memory was fixed and quickly proved restrictive for ambitious applications.
• A single 400KB floppy drive handled the operating system, applications and documents.
• The beige case carried signatures of the development team moulded inside.

Historical Significance

• Its launch established the Macintosh interface, industrial design and software platform that became central to Apple's future.
• Its place in the range reflects Apple's progression from the original compact Macintosh toward broader professional, educational and portable markets.

Collector’s Notes

• Early serial numbers, unmodified logic boards and the original keyboard and mouse are especially important
• Original keyboards, mice, storage devices and model-specific accessories help document a complete period configuration.

Specifications

Technical Information
Name	Apple Macintosh 128K
Manufacturer	Apple
Launched	Tuesday, January 24, 1984
Country	United States
CPU	Motorola 68000 at 7.8336 MHz
Units Sold
Operating System	Macintosh System Software 1.0
I/O	Two serial, mouse, keyboard, external floppy and audio ports
Keyboard	External compact keyboard and one-button mouse
Storage	Built-in 400KB 3.5-inch floppy drive
Sound	Four-voice 8-bit mono sound
Graphics	512 x 342 one-bit bitmapped graphics
Display	Built-in 9-inch 512 x 342 monochrome display
ROM	64KB Macintosh ROM
RAM	128KB
CPU Speed	7.8336 MHz