Just found this, which I found interesting:
https://collections.vam.ac.uk/item/O133 ... en-frazer/
It looks like the datapacks are in a different position here. having then at the bottom would have made the PCB layout a bit easier, maybe.
Andrew
Design document
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Martin
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Design document (PSION1)
Dear Andrew
Good find... I didn't know the V&A had them, the last I saw of them was the Computer History Museum.. They comment about Martin Riddiford as...
This sketch is by Martin Riddiford, the designer of all the Psion products. Rather than become an employee, he set up his own design firm with Psion’s help.
Sincerely Martin
PS Credit also Stephen Frazer - Frazer Design Consultants
Good find... I didn't know the V&A had them, the last I saw of them was the Computer History Museum.. They comment about Martin Riddiford as...
This sketch is by Martin Riddiford, the designer of all the Psion products. Rather than become an employee, he set up his own design firm with Psion’s help.
Sincerely Martin
PS Credit also Stephen Frazer - Frazer Design Consultants