Poking around in the old Psion SIBO SDK debugger – which looks like it’s based heavily on the MC’s GUI…
Tag Archives: tech
Psion MC400 ROM dump & emulation development
Emulating a Psion MC400 over 30 years later – a 1989 80C86 based laptop being brought back to life in MAME.
One of The Many Promises of 5G – Accurate Time Transfer
One of the many promises of 5G is accurate time-transfer. I spent a couple of days travelling around the North West of England testing exactly how accurate available time transfer was from commercially deployed 5G installations.
A SIP trip down memory lane… back to Asterisk PBX & VOIP
A long time ago I built a VOIP PBX. I’ve been wanting to build & use another for a long time and finally got round to it with a £10 Cisco phone and £14 USB dongle…
Using a 30 year old laptop in 2021: The Psion MC400…
A summary of all the things that are right with my 1991 Psion MC400 laptop, “online” via an attached Raspberry Pi 3B+ and wifi…
My Linux life: a restrospective
As of July 2021 Linux has been around for 30 years. For almost all of that time I’ve been installing Linux on just about anything I possibly can….
Psion MC400 – retro computing via RS232 to Raspberry Pi – handshaking fixed…
Getting the 1990s era Psion MC400 laptop online via an attached Raspberry Pi and some custom shortened Psion serial-USB cables… Tweets, Emails, BBC News & screenshots! All in glorious monochrome and at 19200 baud 🙂
5G on the moon?
NASA has ambitions to build a comms infrastructure on the moon using 4G LTE technology…
dot-com failures, skim.com & obsessive bag collecting
About my Love of bags – this one a dot-com era superstar from 2000/2001. Internet enabled fashion? Oh yes! SKIM.COM a y2k style bubble ready to burst 🙂
“My Life in Laptops” – am I Doug Rocket?
My homage to Doug Rocket’s art installation at Place “MY LAPTOPS 1991-2005”. It’s well Mexico.
Room 7609 