Atari Portfolio
I have two main units, two power adapters and original box.
type computer
country USA
year 1989
os DIP-DOS (MS DOS 2.11
compatible)
cpu Intel 80c88
speed 4.9 MHz
ram 128 KB
rom 256 KB
graphic 240×64
colors mono
sound beeper
ports ram card drive, expansion bus
The Atari Portfolio — The World’s First Palmtop PC
Released in June 1989, the Atari Portfolio holds a unique place in computing history as the world’s first palmtop computer — a fully IBM PC-compatible machine small enough to fit in a jacket pocket. Measuring just 19.5 × 9.5 × 2 cm and weighing 450 grams, it ran MS-DOS 2.11 on a CMOS 80C88 processor and included a word processor, spreadsheet, calendar, address book, and calculator in ROM. Its three standard AA batteries provided approximately four hours of operation, and a memory card slot allowed software and data to be transferred between the Portfolio and desktop PCs.
Terminator 2 Fame
The Atari Portfolio achieved unexpected cultural immortality when it appeared in the 1991 blockbuster film Terminator 2: Judgment Day. In a memorable scene, the young John Connor uses a Portfolio to hack an ATM machine, demonstrating the computer’s capabilities to cinema audiences worldwide. This appearance significantly boosted awareness of the Portfolio and remains the machine’s most famous cultural reference — introducing it to millions of people who had never heard of it.
Technical Achievement
Building a fully IBM PC-compatible computer into such a small package in 1989 was a genuine engineering achievement. The Portfolio used a custom CMOS version of the 8088 processor that consumed far less power than standard versions, combined with a low-power LCD display and power management circuitry that would shut down inactive components. The CreditCard Memory cards — the Portfolio’s proprietary storage format — were among the earliest examples of solid-state removable storage for personal computers.
Legacy
The Atari Portfolio directly anticipated the palmtop and PDA market that would develop throughout the 1990s. Its combination of genuine PC compatibility, pocket-sized form factor, and long battery life set a template that later devices including the HP 100LX and various Windows CE palmtops would follow. It remains a fascinating collector’s piece and a historically significant milestone in portable computing.