Int 67 Fn 5DE6  - Rm386 - Map Logical 4k Page To Physical Segment          [m]

   AX = 5DE6h
   BX = logical page number in 4K pages from beginning of memory for EMS
       handle
   CX = segment in first megabyte to be remapped
   DX = previously-allocated EMS handle

Return: AH = status
       00h successful
       83h invalid handle
       8Ah invalid logical page (out of handle's range)
       8Bh invalid destination page (not in first megabyte)

Note:  RM386 traps this functions on the initial transition to protected
     mode caused by the INT instruction, which means it can not be
     overridden simply by hooking the interrupt

See Also: AX=5DE5h