Int 11 Fn 0225  - Blank-it Screen Blanker - Set Timeout For Screen Blanki  [V]

   AX = 0225h
   BX = 6901h
   CX = timeout in timer ticks (18.2/second) or 0000h to disable timeout
        largest value is 59 minutes (FBACh or 64428)

Return: CF clear if successful
       DI = 6A6Ah (possibly also 6A6Ah for all following functions)
       AH = ???
   CF set on error
       AL = error code

See Also: AX=0225h/BX=6900h,AX=0252h/BX=6904h
Index: screen saver;Blank-It