The blue sockets are ZIP sockets, someone has changed the A and B ROMs to a new set. The chips on the black foam are the originals A and B ROMS (C is still installed). Thanks! And do you happen to know anything about the new A and B ROMS? Like if they were hand programmed or commercially available …

giantclam wrote on 2023-12-12, 05:12: http://www.dbwbp.com/index.php/9-misc/37-synth-eprom-dumps Roland MT32 (various OS _ extra ROMs.zip ..contains 'blue ridge' rom images. https://monotanz.de/product/roland-mt-32-mt32 … memory-fix-mod/ I'm sorry, but I don't understand.

Joined because I can use some help ID'ing my unit. I got it many years ago. Just got it out of storage to sell. I've googled a ton and can't find any info on the custom ROM chips. I've compared the sounds between the stock and those on the ROM and there's a huge increase in quality. Anyone know …