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SEVERAL MONTHS LATER
Ok, sorry, life got in the way, and music took a back seat. So I finally have some time to get things going, and i ran into an issue or two where it wouldn’t load anything, but i knew the presets are there. So I unseated the (i believe) the ROM(it says BQ4013YMA-120), cleaned that out, and a few other socketed chips, and….well, it works again. So i have downloaded (DUMP) 2 files off of my 4500 just to make sure I’m doing this right. They are both under 10K in size. If you have a bricked unit, or can verify the integrity of the filess, please send me a good email, i will email these to you. You will then have to load them onto your unit. I used USB to midi cables and MIDI-OX. it might take you a few YouTube videos to learn how, but it isn’t hard. Of course, thought and comments are always appreciated.