Order of precedence examples

Example 1 (non-CICS):

IBM-supplied default   STORAGE=((NONE,NONE,NONE,0K),OVR)
CEEPRMxx used at IPL   STORAGE=((00,NONE,NONE,0K),OVR)
CEEUOPT                STORAGE=(,,00,0K)

Used at runtime       STORAGE(00,NONE,00,0K)

Example 2 (CICS®):

IBM-supplied default   STORAGE=((NONE,NONE,NONE,0K),OVR)
CEEROPT                STORAGE=((C1,NONE,NONE,0K),OVR)
CEEUOPT                STORAGE=(C2)

Used at runtime       STORAGE(C2,NONE,NONE,0K)