Using just about every technology since the telegraph to get online at 35,000 ft ✈️ EPOC browser→HTTP→TCP/IP→PPP→RS232 at 115,200 baud→USB/serial→Android slirp (1995 SLIP/PPP emu)→Wi-Fi→satellite antenna aimed by GPS→satellite→ground station→the internet. #psion #epoc #retrocomputing #gnss

Upgraded my auto-convert-cloud-sync of screenshots taken on the old Psion MC400 to now include QR code generation 💻 <spoiler> there's a Pi doing the hard work, the poor 7MHz 8086 in the MC just does the pretty screen print 😎 zedstarr.com/2026/02/19/q...

Update on the 4MB #Psion 3mx. The hardware can definitely see the extra RAM, and I can write to it. But #EPOC16 no likey. Current guess is that the ramdrive driver doesn't like more than 2MB RAM. oldbytes.space/@thelastpsio... #retrocomputing

The Last Psion | Alex (@thelastpsion@oldbytes.space)

Attached: 3 images Some success with the 4MB #Psion 3mx! I've been able to write directly to a page of RAM in the upper 2MB of memory, using #EDisAsm. I modified one of the memory-dumping assembly r...

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