Int 21 Fn 4403  U - Qualitas 386max V7.00+ - Limit Automatic Activation T  [m]

   AX = 4403h subfn 05h
   BX = handle for device "386MAX$$"
   DS:DX -> BYTE 05h
   CX ignored

Return: CF clear if successful
       AX destroyed
   CF set on error
       AX = error code (01h,05h,06h,0Dh) (see #1366 at AH=59h/BX=0000h)
Desc:  specifies that 386MAX will only shift from AUTO to ON mode on standard
     EMS calls INT 67/AH=40h-5Dh

See Also: AX=4403h/SF=02h,AX=4403h/SF=03h,AX=4403h/SF=06h