Following the success of the CUBE range and arrival of the BBC Computer Control Universal developed products based around the BBC Computer format, the EuroBEEB and BEEBEX, there was a third board in this family - EuroCUBE-09 which is essentially a EuroBEEB but with a 6809 processor:
EuroBEEB a single board computer with the architecture of a BBC Computer but able to interface with other CUBE Eurocards. It came with its own BBC compatible MOS operating system and expanded Control Basic. 65C02 processor link selectable 1 or 2MHz with 8K of RAM expandable to 16K.
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BEEBEX provides a way of interfacing a BBC Computer, via its 1MHz bus, to a CUBE card frame.
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EuroCUBE-09 is a 6809 variant of the EuroBEEB.
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![BEEBEX Schematic Issue 1 [0].jpg](BEEBEX%20Schematic%20Issue%201%20[0].jpg){kind=link}