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 INT 67H, 40h    Get manager status
 INT 67H, 41h    Get page frame segment
 INT 67H, 42h    Get number of pages
 INT 67H, 43h    Get handle and allocate memory
 INT 67H, 44h    Map memory
 INT 67H, 45h    Release handle and memory
 INT 67H, 46h    Get EMM version
 INT 67H, 47h    Save mapping context
 INT 67H, 48h    Restore mapping context
 INT 67H, 49h    Reserved
 INT 67H, 4Ah    Reserved
 INT 67H, 4Bh    Get number of EMM handles
 INT 67H, 4Ch    Get pages owned by handle
 INT 67H, 4Dh    Get pages for all handles
 INT 67H, 4Eh    Get or set page map
 INT 67H, 4Fh    Get/set partial page map                      (Only EMS 4.0)
 INT 67h, 50h    Map/unmap multiple handle pages               (Only EMS 4.0)
 INT 67h, 51h    Reallocate pages                              (Only EMS 4.0)
 INT 67h, 52h    Get/set handle attributes                     (Only EMS 4.0)
 INT 67h, 53h    Get/set handle name                           (Only EMS 4.0)
 INT 67h, 54h    Get handle directory                          (Only EMS 4.0)
 INT 67h, 55h    Alter page map and jump                       (Only EMS 4.0)
 INT 67h, 56h    Alter page map and call                       (Only EMS 4.0)
 INT 67h, 57h    Move/exchange memory region                   (Only EMS 4.0)
 INT 67h, 58h    Get mappable physical address array           (Only EMS 4.0)
 INT 67h, 59h    Get expanded memory hardware information      (Only EMS 4.0)
 INT 67h, 5Ah    Allocate standard/raw pages                   (Only EMS 4.0)
 INT 67h, 5Bh    Alternate map register set                    (Only EMS 4.0)
 INT 67h, 5Bh    Alternate map register set - DMA Registers    (Only EMS 4.0)
 INT 67h, 5Ch    Prepare exp. memory hardware for warm boot    (only EMS 4.0)
 INT 67h, 5Dh    Enable/disable OS function set functions      (Only EMS 4.0)
 INT 67h, 60h    Get physical window array