I cannot imagine what could happen if mine one day breaks down.
Imo, if your oric break downs, all you have to do is to ask here, and I'm sure you'll get half a dozen offers, either from people on the forum, or the CEO.
Regarding making clones, sure, that would be nice for the development, it could output directly on HDMI, have built in communication, even a turbo mode, etc... but as for the Exos, that would be absolutely a non interesting project: There's is zero challenge in making new hardware display more colors, the whole point of the Exos project is to make some 1983 hardware do stuff that was not planned for.
Ok, but please, please... don't destroy working Orics. I bet the community will regret that in the mid-term. This experiment is amazing and I am following it with a lot of interest and anticipation, but it is nothing more than an experiment.
Nobody is planning on destroying anything
Sure, there are some modifications done, but everything is reversible, it's not like soldering a clock or a power plug was modifying the machine in a way that can't be reverted, the two additional holes are just that, two holes, that match the ones at the top used to fix on the case
