Specification

Weight
275g (9.7 ounces) including batteries.

Screen
480 x 160 pixels, and can display up to 80 characters by 25 lines, backlight option. High contrast, retardation film LCD.

Infrared
IrDA compatible

Connectivity
RS232, operates at up to 57600 bps

Sound
Microphone for digital sound recording
Speaker for auto-dialling, and digital sound playback

Memory
Internal RAM either 1 or 2MB, and all models have two slots for additional storage capacity in the form of Solid State Disks.

Solid State Disks
Two SSD Drives.
Each disk measures 63mm x 43mm x 6mm (2.5" x 1.75" x 0.2").
MS-DOS format for compatibility with desktop computers.
Flash SSDs require no backup battery; capacity from 128K to several megabytes.
RAM SSDs have their own Lithium battery; capacity from 128K.

Power
2 x AA size Alkaline batteries, giving about two months of typical usage. Standard Lithium backup battery protects RAM while main batteries are changed.
External mains power supply (optional), 9-10V, 150mA.

Operating System
Psion EPOC16

Processor
NEC V30H (80C86 compatible) running at 7.68MHz.

Operating temperature
0-50 degrees C (32-122 F).

Keyboard
58 key, QWERTY layout (UK, US, and most other countries).
9 touch-sensitive buttons for application selection.

Built-in applications
Agenda, Database, Word Processor, Spreadsheet, World Information, Jotter, Alarm clock, Digital Sound recorder/editor, Spellchecker and Thesaurus (US and UK models), Multifunction calculator, File Manager, Patience Card Game, Comms terminal, OPL programming language.

Communications
- IrDA SIR optical link supports infrared communications.
- RS232 serial link (with Link cable) provides interface to other computers, modems and serial printers.
- XMODEM, YMODEM and ZMODEM protocols, gives compatibility with most computer communications software.
- Full script language allows automated log-on to electronic mail and other systems, and control of modems.
- Optional Parallel Printer Link provides interface for parallel printers.
- Optional PsiWin software (with Link cable) provides Windows-based file management, file conversion, and TrueType printing using a linked PC running Microsoft Windows.
- Plus additional email and Internet connectivity.