Atari Portfolio

Atari Portfolio

[Vin130]

The Atari Portfolio was the world’s first palmtop computer, released in June 1989, featuring full IBM PC compatibility with an Intel 80C88 processor, 128KB RAM, and a monochrome 40×8 character LCD display, all powered by three AA batteries in a compact 1-pound package. Its claim to fame was pioneering the palmtop computer category and achieving mainstream recognition through its prominent appearance in the 1991 film Terminator 2, where it was used as a hacking device. The Portfolio was historically significant as it demonstrated that full PC compatibility and productivity software could be miniaturized into a truly portable form factor, running MS-DOS compatible software and including built-in applications like a Lotus 1-2-3 compatible spreadsheet and text editor.

• Manufacturer: Atari Inc.
• Type: Palmtop PC
• Release Date: 1989
• Cost at release: $399.95 (~$1,000 adjusted for inflation)
• MIPS: 0.33 (330 KIPS)

Hardware Specifications

• CPU: Intel 80C88 running at 4.9152 MHz
• RAM: 128 KB
• Display: Monochrome LCD, 40×8 characters (240 × 64 pixels)
• Storage: Built-in ROM for operating system and applications
• Power: Powered by three AA batteries
• Weight: 505 grams (~ 1 lb)
• Size: Roughly the size of a VHS tape (very compact and portable)

Operating System & Programming Languages 

• Operating System: DIP Operating System 2.11

• Supported Languages:
  • BASIC variants (including BBC Basic emulator, and GWBASIC patches)
  • Assembly language programming with assemblers available like A86 Assembler
  • C-like language interpreters
  • Other niche languages and interpreters (Forth, Pascal variants, etc.) through expandable memory cards and third-party software

Notables

• The Atari Portfolio, released in June 1989, is recognized as the world’s first IBM PC-compatible palmtop computer, a groundbreaking tiny PC that fit in your pocket and ran a variant of MS-DOS called DIP DOS 2.11.
• It ran on three AA batteries and could last several weeks on a single set, an impressive feat for its time.
• The Portfolio featured built-in productivity software like a text editor, a Lotus 1-2-3 compatible spreadsheet, phone book, and scheduler, with expandability through memory cards and modem or MIDI expansion modules.
• It used fast battery-backed RAM cards for storage instead of floppy drives—files could be lost if the card battery died, but the batteries typically lasted 1 to 3 years.
• The Atari Portfolio’s CPU was an Intel 80C88 running at about 4.92 MHz, with approximately 0.33 MIPS performance.
• A famous cultural moment for the Portfolio was its appearance in the movie Terminator 2: Judgment Day (1991)—young John Connor uses it to hack an ATM, giving the device a cult status among vintage computing fans.
• It was affectionately nicknamed the “Pofo” by enthusiasts.
• In 1989, priced at about $400 USD, it was a remarkably affordable and innovative portable computing solution compared to competitors like the Poqet PC ($2000) and early HP palmtops ($800+).
• Atari marketed it with the slogan aligned to their late 1980’s philosophy: “Power without the price.”
• The Atari Portfolio remains notable as a product ahead of its time, combining portability, IBM PC compatibility, and DOS software in a highly compact form factor, leaving a unique legacy in the evolution of mobile computing.
• Only one commercial game ever released for it: Chess
• Featured prominently in Terminator 2: Judgment Day (1991) where John Connor uses it to hack an ATM, giving it legendary pop culture status

Donated by: Dr. Arlen Michaels