CFM test attribute - non-volatile read-only CFM_TEST_NV_RO non-volatile 0x75804084 CFM test attribute - non-volatile writeable CFM_TEST_NV_WR non-volatile 0x90359461 CFM test attribute - volatile-zeroed CFM_TEST_VZ volatile-zeroed CFM test attribute - volatile writeable CFM_TEST_V_WR volatile 0x33EFE76B