This repository contains official ROM files for old Psion Devices. All the files could be downloaded for free from the official Psion / Psion Teklogix Website in the past. Some of this ROM files are upgraded (patched) to solve some bugs or add functionality.

Contents:

• Psion Series 3 and variants
• Psion Series 3a and variants
• Psion Siena
• Psion Series 3c
• Psion Series 3mx
• Psion Workabout
• Psion Workabout MX
• ROMs for Psion 5mx Pro, patched with additional App (MyPhone), Ericsson ringtone and logo from Ericsson MC218 (UK, DE)
• Original ROM for Psion 5mx Pro (DE)
• Dumped ROMs of Ericcson MC218 (UK, DE)
• Psion Series 7
  • ROM Update for Series 7 (UK, US)
• ROMs for Psion netBook, patched with additional Apps and components(UK, DE, FR, SP)
• Revo Firmware Dump (DE)
• Dumped ROM for Psion 5mx (UK)
• Dumped ROM for Psion Series 5 (UK)
• Tools for Patching Psion ROMs and additional components.

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Psion Series 3 and Variants

Device	EPOC16 Version	ROM Version	Language	Filename	MD5 Checksum
Psion Series 3		1.77f	English	3504-3001-01_19-11-91v1.77f_eng.bin 3504-3002-01_19-11-91v1.77f_eng.bin	f45adbb8e951ac1be922279197baf6c6 3bf167eeb8f41d88981ed12632414e1d
Acorn Pocket Book		1.91f		pb_v1.91f_acn.bin acspell.bin	2e3fd0717451d7621b664d7eb85e89be 4ecb448d5828855dbeaf223cef5fe346
Psion Series 3s		1.91f	English	s3_v1.91f_eng.bin	44ee1451e72b8f662f369a86b488d4db

Note

• Early Series 3 devices (see 1.77f) used two ROM chips resulting in two images.

• The Psion Series 3s is the name given to a Series 3 variant that includes the Sheet application in the ROM.

Psion Series 3a and Variants

Device	EPOC16 Version	ROM Version	Language	Filename	MD5 Checksum	MAME System
Psion Series 3a (1MB)	3.20f	3.22f	English	s3a_v3.22f_eng.bin	782048b4bdca628b01a7f853b6ec4c70	psion3a
Acorn Pocket Book II (1MB)		1.30f	English	pb2_v1.30f_acn.bin	e8eb24cba162fef331519b7c55136537
Psion Series 3a (2MB)	3.55f	3.40f	English	s3a_v3.40f_eng.bin	cfcd7be36fad529405d3abd48294af31	psion3a2
Psion Series 3a (2MB)		3.40f	Italian	s3a_v3.40f_ita.bin	8f9e750bb628c6f3c3189b50475215a5	psion3a2_it
Psion Series 3a (2MB)		3.40f	American English	s3a_v3.40f_usa.bin	a6264f08982608391843a7f331b6404b	psion3a2_us
Psion Series 3a (2MB)	3.55f	3.41f	German	s3a_v3.41f_deu.bin	45c8db03c357e5784158f966c5de7018	psion3a2_de
Psion Series 3a (2MB)		3.43f	Russian	s3a_v3.43f_rus.bin	4ebca4c28c3cc5317206e4103a1b702a	psion3a2_ru

Psion Siena

Device	EPOC16 Version	ROM Version	Language	Filename	MD5 Checksum
Psion Siena	3.70f	4.20f	English	vine_v4.20f_eng.bin	242e80fdbf9b353a05f6ff4d1db1c769
Psion Siena	3.70f	4.21f	French	vine_v4.21f_fre.bin	7e243772a135a12ea2d86020774a6fc8

Psion Series 3c

Device	EPOC16 Version	ROM Version	Language	Filename	MD5 Checksum
Psion Series 3c	3.91f	5.20f	English	oak_v5.20f_eng.bin	3c1a079f53c00916e8d0dc11b35a0390

Psion Series 3mx

Device	EPOC16 Version	ROM Version	Language	Filename	MD5 Checksum
Psion Series 3mx	4.08f	6.16f	English	maple_v6.16f_uk.bin	64572cc3522447179d1e6f3b8fb45360
Psion Series 3mx	4.10f	6.17f	Dutch	maple_v6.17f_nl.bin	1c0be65220e3e2ab6d75b83975e3805b
Psion Series 3mx		6.20f	French	maple_v6.20f_fre.bin	1b367e2fb862545cf420ff74a7f85ea7

Psion Workabout

Device	EPOC16 Version	ROM Version	Language	Filename	MD5 Checksum
Psion Workabout	3.56f	0.24b	English	w1_v0.24b.bin	1afac14fe87e19e7d29d494177dc58d9
Psion Workabout	3.56f	1.00f	English	w1_v1.00f.bin	87c84a27bc71df5e19ac1208735a7a1e
Psion Workabout	3.96f	2.40f	English	w1_v2.40f.bin	10b9a0c9174aec0316571827dce42013

Psion Workabout MX

Device	EPOC16 Version	ROM Version	Language	Filename	MD5 Checksum
Psion Workabout MX	4.31f	7.20f	English	w2mx_v7.20f.bin	d5e5c2aa32f9888e7fec8d2214f1547e

Psion Series 7

Device	EPOC32 Version	ROM Version	Language	Filename	MD5 Checksum
Psion Series 7		1.05 (254) (Build 754)	English	series7_1.05_254_build_756.bin	c78c3cf48d2fd7b8f0d5bc9cadd79159