Producer: Epson - Category: Personal Computer
Portable computer, 1982, Epson. The HX-20 is considered the first laptop computer: A4 size, with LCD display, built-in printer and micro-cassette drive.
| Year | 1982 |
| Manufacturer | Seiko Epson |
| Model | HX-20 (HC-20) |
| Processors | 2 x Hitachi 6301 at 614 kHz (equivalent to Motorola 6801) |
| RAM | 16 KB, expandable to 32 KB |
| ROM | 32 KB, expandable to 64 KB |
| Display | LCD, 4 lines x 20 characters, 120 x 32 pixels |
| Interfaces | 2 x RS232 (8-pin and 5-pin DIN) |
| Built-in peripherals | micro-cassette drive, printer |
| Expansion ports | RAM, ROM, memory mapped I/O devices |
| Dimensions | A4 |
| Weight | 1.6 kg |
| Power | 8 W |
| Operating system | monitor and BASIC interpreter |
| Base price (1983) | $795 |