I'm busy trying to get the EMU1 working again, but I finally received the test control panel. I will finally be able to start testing th...

As I indicated in my previous post, I now need to know if the DRAM on the EMU1 motherboard is fully functional or not. As a reminder, when I...

In my previous post, I stuck to the fact that the EMU1 motherboard was now able to start the floppy drive as well as return the read head to...

In the previous post on this subject, I had stopped at the fact that I had discovered that the wiring of the EPROM to the processor did not ...

After investigations of all kinds, still impossible to find an entry point on the non-functioning of this EMU 1, but... Until now, I have ta...

I'm currently waiting for some printed circuit boards, and since I'm on the Drumulator topic, I decided to try to troubleshoot anoth...

I have been thinking about developing 'simple' hardware for MIDI network management for years. In fact, I have been thinking about t...