One or several memory cards can be added to an S60 product to increase the available memory. Device may also have internal non-removable memory card or internal mass storage i.e. multiple drives are supported.
The user is able to select the used memory when doing e.g. saving or moving operations. Usually this Memory selection List query is shown right after the user has selected to perform an operation.
In some applications there may be a need for a setting that defines the used memory in advance.