Specifies that the RMU/DUMP command will only dump ABM pages in uniform storage areas or in logical areas contained within uniform storage areas. The ABM pages can be dumped within a limited page range specified by the START and END qualifiers. If there are no ABM pages within the specified page range or the storage area is a mixed format area or the logical area is contained within a mixed storage area, no ABM pages will be dumped. This qualifier cannot be specified in the same Dump command as the SPAMS_Only qualifier. This qualifier cannot be specified in the same Dump command with the Snapshots qualifier.