Int 21 Fn 6F03  U - DOS 5+ ROM - Set Exclusion Region List                 [D]

   AX = 6F03h
   DS:DX -> new exclusion region list (see AX=6F02h)

Note:  DOS saves only the pointer and assumes that the contents of the list
     are never changed, and that regions do not overlap

See Also: AX=6F01h,AX=6F02h