Int 67 Fn 4F  - Lim Ems 4.0 - Get/set Partial Page Map                     [m]

   AH = 4Fh
   AL = subfunction
       00h get partial page map
          DS:SI -> structure containing list of segments whose mapping
           contexts are to be saved
          ES:DI -> array to receive page map
       01h set partial page map
          DS:SI -> structure containing saved partial page map
       02h get size of partial page map
          BX = number of mappable segments in the partial map to be saved

Return: AH = status (00h,80h,81h,84h,8Bh,8Fh,A3h) (see also AH=40h)
       8Bh one of the specified segments is not mappable
       A3h contents of partial page map corrupted or count of mappable
       segments exceeds total number of mappable segments in system
   AL = size of partial page map for subfunction 02h

See Also: AH=4Eh