K5synth

I could possibly make a ROM that includes every versions(Using switches 
to select them) if some are interested.

Antoine Desch\ufffdnes a \ufffdcrit :
> 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.
>