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---
title: PSION Series 3
categories:
- Computers
types:
- Pocket
origins:
- United Kingdom
years:
- '1991'
cpus:
- NEC V30H
params:
name: Series 3
image: /media/museum/photos/psion_series3_system_s2.jpg
company: /companies/psion
company_name: PSION
specs:
- label: NAME
value: Series 3
- label: MANUFACTURER
value: PSION
- label: TYPE
value: Pocket
- label: ORIGIN
value: United Kingdom
- label: YEAR
value: '1991'
- label: END OF PRODUCTION
value: '1999'
- label: BUILT IN LANGUAGE
value: OPL
- label: KEYBOARD
value: 58-key QWERTY
- label: CPU
value: NEC V30H
- label: SPEED
value: 'S3: 3.84MHz, S3a: 7.68MHz'
- label: RAM
value: 'S3: 128-256K, S3a: 256K-2MB'
- label: ROM
value: 'S3: 384K, S3a: 1MB'
- label: TEXT MODES
value: 'S3: 8 lines x 40 chars, S3a: 16 lines x 80 chars'
- label: GRAPHIC MODES
value: 'S3: 240x80, S3a: 480x160'
- label: COLORS
value: 'S3: B/W LCD, S3a: Black, Grey & White (3 "colours")'
- label: SOUND
value: 'S3: Buzzer, S3a: Loudspeaker, 2 channels or samples'
- label: SIZE / WEIGHT
value: 165 (W) x 85 (H) x 22 (D) mm
- label: I/O PORTS
value: Proprietary - RS232 & Centronics adapters available
- label: OS
value: EPOC16
- label: POWER SUPPLY
value: 2 AA batteries or mains
- label: PERIPHERALS
value: Proprietary memory expansions
- label: PRICE
value: 'S3: £179.00 to £249.00, S3a: £269.00 to £399.00'
tabs:
- photos
- software
forum_thread: 1175
photos:
- title: LARGE VIEW
subtitle: ''
text: Thanks to **Jonathan Barnes**
image: /media/museum/photos/psion_series3_system_s1.jpg
screenshots:
- title: CARD GAME
subtitle: screenshot
text: Thanks to Damian Walker for this screenshot
image: /media/museum/software/psion_series3_ss_acespace.png
- title: GAME
subtitle: screenshot
text: Thanks to Damian Walker for this screenshot
image: /media/museum/software/psion_series3_ss_crissx.png
- title: GAME
subtitle: screenshot
text: Thanks to Damian Walker for this screenshot
image: /media/museum/software/psion_series3_ss_epo.png
- title: GAME
subtitle: screenshot
text: Thanks to Damian Walker for this screenshot
image: /media/museum/software/psion_series3_ss_jumpy.png
- title: GAME
subtitle: screenshot
text: Thanks to Damian Walker for this screenshot
image: /media/museum/software/psion_series3_ss_slider.png
oc_id: 1207
source:
url: https://web.archive.org/web/20230608221205/http://www.old-computers.com/museum/computer.asp?c=1207
date: '2023-06-08'
---
In 1991, Psion launched their first clamshell format organiser, the Series 3. It featured a NEC V30H 8086-compatible processor running at 3.84MHz. The machine featured 128K or 256K of RAM, and into its 384K ROM Psion fit their EPOC operating system (as used in the MC 200 & 400 models, upgraded with new features), several good office/PDA applications and the OPL programming language.
In 1993 the Series 3a was launched. Despite the insignificant change in version number, this was a major upgrade: 256K or 512K RAM, double the processor speed, a much bigger LCD screen and upgraded sound capable of playing back digital samples at 8-bit or 13-bit quality. The 1MB ROM included new applications: a spreadsheet and a much upgraded Agenda package comparable to agenda/diary applications on desktop machines. 1MB and 2MB models were added later, and included a Patience game.
The Series 3 range of computers continued to be developed until 1998, when the model 3mx was released. This model was discontinued in 1999. Much of their software was ported to the Series 5 range, which was produced between 1997 and 2001, and some of the software, especially the built-in programming language OPL, is still being used and developed in Symbian mobile phones (Series 60, etc.), which are the descendants of the Psion PDA software architecture.
Thanks to **Damian Walker** for the information, **Jonathan Barnes** for the picture.