== Software ==
Dobbertin supplied [[RDOS]] as a optional ROM to use the memory expansionas RAM disc with 444 KB free. They also supplied CP/M 2.2 and Plus with full support of the RAM disc. Other software using this RAM expansion: [[Discology]], [[FutureOS]] and [[ParaDOS]]. Arnor software like Prowort and Maxam II also support the usage of the RAM disc.
== Pictures ==