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Atari Portfolio

1989–1991 · laptop

Specifications

Cpu: Intel 80C88, 4.9152 MHz
Ram: max: 128 KB on board, plus removable memory cards up to 128 KB via the expansion port · base: 128 KB
Ports: Proprietary 62-pin expansion port (floppy drive, parallel/serial adapters, memory cards)
Battery: 3x AA alkaline batteries, roughly 20-30 hours of use
Display: Monochrome LCD, 240x64 pixels, 40x8 text
Storage: base: 256 KB ROM (BIOS, DOS-compatible shell, and bundled PIM apps); no built-in disk storage · options: Removable RAM/ROM memory cards via the expansion port · Optional external 3.5" floppy drive via the expansion port
Weight: 0.45 kg
Os Support: latest: DIP DOS (fixed in ROM, no later official version) · shipped: DIP DOS (MS-DOS-compatible command shell in ROM)
Release Price: $399.95

Upgrade paths

storage

Removable memory cards (RAM or ROM) up to 128 KB, plus an external 3.5" floppy drive accessory · All expansion goes through the single proprietary port on the end of the unit; no internal modification needed.

EASY