Atari STacy 2

Atari STacy 2

Atari STacy 2

I have the main unit and power adapter.

type computer
country USA
year 1990
os TOS 1.4 (rom), GEM-desktop
cpu  Motorola mc 86000
speed 8 MHz
ram 2 MB
rom 192 KB
disk 3,5″ 720 KB
HD 20 MB
graphic 640×400 (2) LCD
colors 2
sound 3 channels, 8-bit mono
ports module, joystick, mouse, centronigs, rs323, midi in, midi out, disk, monitor

The Atari STacy 2 — The Portable ST

Released in 1989, the Atari STacy was Atari’s attempt to bring the ST computing experience to a portable, battery-powered laptop format. Using the standard ST motherboard architecture — 8 MHz 68000 processor, 2 MB of RAM in the STacy 2 variant — combined with a built-in 3.5-inch floppy drive, optional internal hard drive, and a backlit monochrome LCD display, the STacy provided full ST compatibility in a laptop form factor. It was one of the few ST-compatible portables ever produced and remains a rare and sought-after collector’s item today.

Engineering Challenges

Fitting the ST’s architecture into a laptop proved challenging. The STacy was larger and heavier than contemporary PC laptops, and its battery life was disappointingly short — typically less than two hours from the four D-cell batteries required. The cooling requirements of the standard ST chipset and the power consumption of the backlit LCD meant that genuine portable use was limited. Many STacy owners used it primarily as a compact desktop replacement rather than a truly portable computer.

MIDI Portability

Despite its portability limitations, the STacy offered something no PC laptop of the era could match: full ST compatibility including the built-in MIDI ports. For musicians who relied on the ST for live performance or studio work, the STacy provided the ability to take their MIDI sequencing and music production software on the road. This niche application made it genuinely valuable to professional musicians despite its other limitations.

Rarity and Collectibility

The STacy was produced in relatively small numbers and is today one of the rarest Atari computers. Working examples are increasingly difficult to find, making the Computer Museum Ata’s STacy 2 a particularly valuable piece of Atari computing history. It represents Atari’s ambitious but ultimately limited attempt to bring portable computing to the ST platform.