  TYPE
    pmt$mainframe_attribute_keys = 0 .. pmc$max_mainframe_attr_index;

  CONST
    pmc$mak_unknown_attribute = 0,
    pmc$mak_active_processors = 100,
    pmc$mak_microsecond_clock = 200,
    pmc$mak_mainframe_identifier = 300,
    pmc$mak_page_size = 400,
    pmc$mak_total_processors = 500,
    pmc$mak_vector_capability = 600,
    pmc$mak_vectors_degraded = 700,
    pmc$mak_vector_simulation = 800,
    pmc$mak_null_attribute = 900,

    pmc$max_mainframe_attr_index = 1000;

