A memory expansion by the German company Dobbertin.
The Dobbertin memory expansions are compatible to the memory expansions by dk'tronics. The memory expansion came in two versions. A version with only the memory expansion, and a version with two sockets for additional rom software.
Technical Specifications
Software
Dobbertin supplied RDOS as a optional ROM to use the memory expansion.
Other memory expansions
Non compatible to the Dobbertin expansion:
Photos
- The Dobbertin ram expansion
Top view
Inside here a version with the optional two roms mounted.
Inside top view
