ROM version changes.
2007-04-12 by Antoine DeschĂȘnes
Hi everyone, Kawai of Japan told me so far that the main difference between each versions is the following: V1.0 - power on with Single mode. V1.1 - power on with Multi mode. V1.2 - power on with Multi mode + additional parameters. I asked them if there are bug fixes since I seem to remember that a ROM upgrade fixed problems for some people here a few years ago. I asked about version 1.3 too.