The last time I posted about the EMU1 motherboard refurbishment, I stopped at the detected problem of the system reset. In fact I was able t...

Well, finally, as expected, I was able to set up communication with port #0 of the SIOs without difficulty. It works with the SIO/2 as well ...

To get away from the topics I've been working on for several months now, I intend to build a small tube audio amplifier and to 'rela...

Following on from my last post on the EMULATOR 1, I spent some time trying to get communication on port #1 of one of the new SIOs I recently...

As a follow-up to my last post, after publishing it, I asked myself the question of whether I had actually tested my five new SIO/2s from Ch...

At the moment, I'm still stuck on what I think is the main problem, which is a supposed malfunction of the SIO/2 which manages data writ...

For some time now, and following all the tests that I have been able to carry out on the EMU 1 motherboard, I have come to the conclusion th...