Psion Devices

List of Models

Maker	Model	Year	Memory	OS	CPU	Screen
Psion	Organiser I	1984	2K	Psion	HD6301X, 0.92 MHz	16x1 characters
Psion	Organiser II CM	1986	8K	Psion	HD6303X, 0.92 MHz	16x2 characters
Psion	Organiser II XP	1986	16K/32K	Psion	HD6303X, 0.92 MHz	16x2 characters
Psion	Organiser II LZ	1989	32K/64K	Psion	HD6303X, 0.92 MHz	20x4 characters
Psion	MC200	1989	128K	SIBO	80C86, 7.68 MHz	640x200
Psion	MC400	1989	256K	SIBO	80C86, 7.68 MHz	640x400
Psion	MC600	1989	768K	MSDOS	80C86, 7.68 MHz	640x400
Psion	HC 100, 110, 120	1991	128K-512K	SIBO	80C86, 3.84 MHz	160x80
Psion	Series 3	1991	128K/256K	SIBO	NEC V30, 3.84 MHz	240x80
Acorn	Pocketbook	1992	256K	SIBO	NEC V30, 3.84 MHz	240x80
Psion	Series 3a	1993	256K-2M	SIBO	NEC V30H, 7.68 MHz	480x160
Acorn	Pocketbook II	1995	256K-1M	SIBO	NEC V30H, 7.68 MHz	480x160
Psion	Workabout	1995	256K-2M	SIBO	NEC V30H, 7.68 MHz	240x100
Psion	Series 3c	1996	1M/2M	SIBO	NEC V30H, 7.68 MHz	480x160
Psion	Siena	1996	512K/1M	SIBO	NEC V30H, 7.68 MHz	240x160
Psion	Series 5	1997	4M/8M	EPOC R3	ARM 710, 18.43 MHz	640x240
Geofox	One	1997	4M/16M	EPOC R3	ARM 710, 18.43 MHz	640x320
Psion	Series 3mx	1998	2M	SIBO	NEC V30MX, 27.68 MHz	480x160
Psion	Workabout MX	1998	2M	SIBO	NEC V30MX, 27.68 MHz	240x100
Psion	Series 5mx	1999	16M	EPOC R5	ARM 710T, 36.86 MHz	640x240
Ericsson	MC218	1999	16M	EPOC R5	ARM 710T, 36.86 MHz	640x240
Oregon Scientific	Osaris	1999	4M/8M	EPOC R4	ARM 710, 18.43 MHz	320x200
Psion	Series 7	1999	16M	EPOC R5	StrongArm SA-1100, 130 MHz	640x480 colour
Psion	netBook	1999	32M	EPOC R5	StrongArm SA-1100, 190 MHz	640x480 colour
Psion	Revo / Revo Plus	1999	8M/16M	EPOC R5	ARM 710T, 36.86 MHz	480x160
Psion	Netpad	1999	64M	EPOC R5 / WinCE	StrongArm SA-1100, 206 MHz	640x240 colour
Diamond / S3	Mako	2000	16M	EPOC R5	ARM 710T, 36.86 MHz	480x160
POS	PsiXpda	2005	32M	EPOC R5	ARM 710T, 36.86 MHz	640x240

Pictures of the models

• Psion Museum: Virtual Psion museum… Collection of all produced Psion PDAs with SIBO and EPOC operating system.

General sites

• FileSaveAs

Organiser I / II

• Organiser I - the first Organiser (not only from Psion but from anyone!)
• Organiser II
• Mobile Computer Retro feature on Organiser II
• Org II XP video on YouTube

Series 3a

• Mobile Computer Retro feature on 3a

Series 3c/3mx

• Psionwelt Series 3/a/c/mx overview
• Series 3c video on YouTube

Siena

• Psionwelt Siena
• Siena video on YouTube

Acorn Pocketbook - OEM Series 3

• Pocketbook range used in British schools
• Pocketbook II rebadged Series 3a

Series 5

• MyCalcDB page on Series 5

Series 5mx

• Wikipedia on 5mx
• Tader's Psion 5mx Linux Pages
• Andy Pryke's 5mx page

Ericsson MC 218 (rebadged Psion 5mx)

• Psionwelt Ericsson MC218
• MC 218 video on YouTube

Revo / Revo Plus

• MacUser review from 1999

Diamond Mako (rebadged Revo Plus)

• ComputerMuseum.org page

Series 7 / netBook / MalayBook

• Psion Series 7 FAQ and detailed information
• The 7 Site
• The lowdown on MalayBooks - from PDAStreet
• netBook - review by Geek.com
• The Practical Nomad Information on the MalayBook

Netpad

• NetPad - original Psion Teklogix data sheet (pdf)

Oregon Scientific Osaris (EPOC ER 4)

• Psionwelt Osaris with review (german)
• Osaris video on YouTube

Geofox One

• Psionwelt Geofox One
• Foxpop Geofox One pages (huge)

Psion revo 3 Conan

• Psion Conan - Bluetooth Revo prototype with ER 6 Unicode (Russian)