From: B Degnan (billdeg_at_degnanco.com)
Date: 2008-03-18 16:39:17
>
> (*) Has any "real" CBM-620 been confirmed, or are all upgraded 610's?
>
FYI There is one maybe two known "real" factory B256 prototypes in the
United States (they were not called B256 however, these units have no
labels at all). There were no production B256's. I believe that there
were heat issues (if not other issues), to explain why the low profile
systems produced by Commodore were only 128K.
There is a 1MB expansion kit for the B series. I have a schematic and some
parts. I apologize that I have been behind getting this info and the fast
bus out to this group.
Bill
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