There are two methods to enable this function.
1.You could push the SMART button (besides the power button) when your computer in the shut down status. After you get into Smart Setup function menu, you could chose “Start with Smart Turbo Mode” option to enable/disable this function.
2.You could open the Smart Manager software in the system after you boot up the computer and enable/disable the Smart Turbo function. If there is no such function in the Smart Setup function menu, please try to enable it in the Smart Manager utility.