Psion x86

Psion 5, x86 Brain Transplant

Rune Kyndal

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Description

As a follow up project, to my HPi95LX Brain transplant.
I decided to do something a little different this time
and not use one of the usual ARM / Raspberry pi board's.

but instead build it as a 100% fully fledged x86 Windows compatible
mini laptop / netbook ? Palmbook ?

System specifications

Brain
Intel Atom X5-Z8350 4Cores @ ‎1.44Ghz (up to 1.92Ghz)
RAM 2GB DDR3L-1333
eMMC 32GB NAND
WIFI 802.11a/b/g/n, 802.11ac 2.4G/5G WiFi,
Bluetooth BT 4.2
USB2.0
USB 3.1

Graphics
‎Intel HD Graphics 400 200 MHz (max 500MHz)
2560x1440 5.5 inch 2K LCD (LS055R1SX04)
MIPI - HDMI adapter board

Accesories
USB-Hub 3X port + 10/100 ethernet adapter
USB Audio + speakers
HXJ8002 Audio Amplifier

Keyboard
Atmega32U4 (clone Arduino pro micro)
FFC breakout board

Power management
18650 Lithium Ion batteries (2x)
TP4056 USB-C Lithium Ion charger board
MT3608 or SX1308 5V boost converter (2X)

Software
Windows 10

Details

Discussions

j wrote 02/13/2022 at 17:27

Great project! Do you know if its possible to drive the original psion 5mx screen with the rasberry pi? might be interesting to try.

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Dima wrote 12/24/2021 at 22:04

Would love to implement similar thing. Made a bid on ebay to get my own Psion 5 series :) Then will buy the rest. Are there any steps or instructions on assembling and implementation of what already you have done?

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Rune Kyndal wrote 12/21/2021 at 23:03

yes. both cpu power and ram is pretty limited on the smaller SBC's but the ATOM board I'm considering is substantially more power hungry. always a tradeoff

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fdufnews wrote 12/21/2021 at 10:58

The Psion as a base is a really good idea. It gives a beautiful look to the finished product.

I am actually working on a similar project, not with a Psion but using a similar hardware. I found the Pi Zero is really too short on RAM to manage a usable graphical interface that size. I switched to the command line with a terminal multiplexer in order to have more than one opened windows.

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