Int 62 Fn 0053  u - Fgdriver V3.03 - "fg_kbinit" - Enable/disable Low-lev  [V]

   AX = 0053h
   BX = new state (0000h disabled, 0001h enabled)

Notes: For FGDRIVER v1.10, this function was "FG_REVMASK" (see AX=0086h);
     "FG_KBINIT" did not exist yet
   When the low-level handler is enabled, "FG_GETKEY", "FG_INTKEY",
     "FG_WAITKEY", and all other functions calling DOS or BIOS keyboard
     services become unavailable

See Also: AX=0054h