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P > PSION > Series 3   


PSION
Series 3

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.

NAME  Series 3
MANUFACTURER  PSION
TYPE  Pocket
ORIGIN  United Kingdom
YEAR  1991
END OF PRODUCTION  1999
BUILT IN LANGUAGE  OPL
KEYBOARD  58-key QWERTY
CPU  NEC V30H
SPEED  S3: 3.84MHz, S3a: 7.68MHz
RAM  S3: 128-256K, S3a: 256K-2MB
ROM  S3: 384K, S3a: 1MB
TEXT MODES  S3: 8 lines x 40 chars, S3a: 16 lines x 80 chars
GRAPHIC MODES  S3: 240x80, S3a: 480x160
COLORS  S3: B/W LCD, S3a: Black, Grey & White (3 "colours")
SOUND  S3: Buzzer, S3a: Loudspeaker, 2 channels or samples
SIZE / WEIGHT  165 (W) x 85 (H) x 22 (D) mm
I/O PORTS  Proprietary - RS232 & Centronics adapters available
OS  EPOC16
POWER SUPPLY  2 AA batteries or mains
PERIPHERALS  Proprietary memory expansions
PRICE  S3: £179.00 to £249.00, S3a: £269.00 to £399.00


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