/SECTION_INDEX=n
When used with the /PAGE_TABLES qualifier, displays the page
table for the range of pages in the specified process section.
You can also specify one of the qualifiers /L1, /L2, or /L3.
When used with the /PROCESS_SECTION_TABLE qualifier, displays the
PST for the specified process section.
The /SECTION_INDEX=n qualifier is ignored if you do not specify
either the /PAGE_TABLES or the /PROCESS_SECTION_TABLE qualifier.