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 Message was sent through the cbm-hackers mailing list
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