Atari Portfolio
| Atari Portfolio | |
| Also known as | Atari PC Folio, dip POCKET pc | 
|---|---|
| Type | Palmtop PC | 
| Release date | June 1989 | 
| Introductory price | US$399.95 (equivalent to $1,010 in 2024) | 
| Discontinued | 1993 | 
| Operating system | DIP DOS 2.11 | 
| CPU | 80C88 @ 4.9152 MHz | 
| Memory | 128 KB RAM 256 KB ROM | 
| Display | Monochrome LCD (no backlight) 40 characters × 8 lines | 
| Graphics | 240 × 64 pixels | 
| Sound | Tiny speaker (DTMF) | 
| Input | Keyboard 63 keys, QWERTY layout | 
| Power | 3× AA removable alkaline batteries (Optional AC adapter) | 
| Dimensions | 20 cm × 10.5 cm x 2.5 cm (7.5" × 4" × 1.25") | 
| Weight | 505 g (17.5 oz) | 
The Atari Portfolio (Atari PC Folio) is an IBM PC-compatible palmtop PC, released by Atari Corporation in June 1989. It was the first palmtop computer compatible with the IBM PC ever released.