Support answerFan control on Truffle4000/8000Search or browse documentation With Truffle 4000/8000 here is the BIOS settings for fan control:You may connect a USB keyboard and a monitor and press <DEL> to come to the BIOS prompt. Navigate to ‘Advanced’ tab.Scroll down to ‘Hardware Health Configuration’ option and press ‘Enter’.Change the the following fans setting to ‘Thermal Cruise Mode’:SYSFAN Mode SettingCPUFAN0 Mode SettingCPUFAN1 Mode SettingPress F4 to save and exit.