Int 12  - Keybui V2.0+ - Installation Check                                [K]

   CX = 1806h

Return: AX = kilobytes of contiguous memory starting at absolute address 00000h
   CX = 1960h if installed
Program: KEYBUI is a resident keyboard driver by Johan Zwiekhorst which allows
     accented characters and box drawing on standard QWERTY keyboards; it
     also provides break-to-DOS and screen blanking capabilities

See Also: INT 14/AX=AA01h
Index: screen saver;KEYBUI