Aktueller Inhalt von keks

I just found concrete evidence that the upgrade 1.5 chip works for all Elkas here is the picture I found and here is the translation in English form ChatGPT that I could not read as the resolution is bad but AI did it:) Yes! This is a very useful find — it's a printed update sheet for Elka...

Here's a detailed comparison of the two SysEx files (file posted earlier and my dump attached here) and my Elka MK808 not MK2 and OS is probably original 1.0 as I don't see any version when turning it on. My ELKA MK88 works great. Hope this dump helps revive some of your units. Polyfonic...