@GameBreaker64 posted:@GGG The problem is, finding the chips alone is actually harder than finding the board set. It's easy to find reset chips, but I don't know what sound data those contain.
@Sid's Trains I sent an email via the QSIndustries contact form. I haven't got a response yet.
You can still buy the chips from MTH, just give them the catalog number of the locomotive you want.