Speichermedium mit unterschiedlichen zugriffsmöglichkeiten / memory medium having different ways of accessing

A portable memory medium with a memory area and a memory management system for managing the memory area, wherein different options for access to the memory area are provided, wherein the memory medium receives commands of a terminal device as external commands, wherein the memory management system receives an external configuration command and causes, in response to the received configuration command, an activation of one of at least two different activatable memory configurations, wherein the different memory configurations differ in that, depending on the activated memory configuration, at least one external access command for accessing the memory area is transmitted into a different partial memory area.