I recently wanted to record a message in the voice of a Dalek (for a silly little project I’m doing). I looked for tutorials, but they all involved ring modulator software that only worked on Windows PCs. I worked out how to do this on my Mac, and so decided to create a tutorial for […]read more
In which I spend two days working out how to reinstall Windows XP on an old Asus EeePC 1001P. This post is so you don’t have to go through the same pain!read more
I needed to wire up the two floppy ports in the case to the Gotek USB floppy emulator.
One would be a standard socket, but the other was for use with the Amstrad CPC 464. This had two issues…read more
Throughout March I tinkered with some Video Genie computers as part of the Retro Challenge.
The idea was I would learn to use a couple of new diagnostic tools for digital hardware, and then use them to fix some of my old computers.
Here’s a summary of what I did.read more
I’ve now got replacement drive belts for the cassette decks in my Video Genie computers. Here I fit them and try to diagnose further cassette problems.read more
In my last post I tried (and failed) to fix the 9v voltage regulator circuit for the cassette interface on one of my Video Genies.
Today I had another go. (Spoiler) I fixed it!read more
For the next repair, I return to the Video Genie I worked on last time. I had fixed the CPU board, but still had problems with the power supply on the cassette interface board.
Here I have a go at diagnosing and fixing it. Sadly it’s still a work in progress!read more
Today I tackled the second broken Video Genie (TRS-80 clone).
This one has an interesting home-made mod on it too, which I investigate.The main repair was quick and easy, but it still has a minor fault that I need to investigate.read more
A much more productive day on the Retro Challenge.
I managed to fix one of my two broken Video Genie computers. The Video Genie (aka System 80) is a TRS-80 clone which I grew up with.
Quite a few interesting diagnostic steps in this repair! Watch this 32 minute video for the full story.read more
So March is already turning out to be busier than I expected!I have a lot of work on at the moment, so the original plan was to just spend each weekend on the Retro Challenge.
But life gets in the way, and by 6pm on Sunday I haven’t yet started!
Still, let’s try to get something achieved anyway.read more