Roland System 100m

Thanks for the help guys -- one other question -- are parts available 
in general for the 100M in case of repairs?  I.e., I bought a SCI Pro 
One and it needed repairs at one point -- but the part that needed 
repair was one of the proprietary chips that can't be bought anymore -- 
and I was SOL.  I didn't enjoy that experience -- 

Many Roland vintage synths use(d) chips, etc, that are readily 
available even today.  Is the 100M one of these?

Let me know if you know -- thanks!

Robert