ASUS P5E3 Premium/WiFi-AP @n 4-33The following item appears only when you set the CPU Fan Control item to[Profile].Fan Profile [Optimal]Allows you to set the appropriate performance level of the ASUS Q-Fan.When set to [Optimal], the CPU fan automatically adjusts depending on theCPU temperature. Set this item to [Silent Mode] to minimize the fan speed forquiet CPU fan operation or [Performance Mode] to achieve maximum CPUfan speed.Configuration options: [Optimal] [Silent Mode] [Performance Mode]The following three items appear only when you set the CPU Fan Control itemto [Manual] and are adjusted by typing the desired values using the numerickeypad and press the key. You can also use the <+> and <-> keys toadjust the value.Fan Start-Up Ratio(%) [50]Allows you to set a start-up fan speed ratio when you power on the system.Setting a very low ratio may cause dramatical fan speed drop and triggerwarning message.Target Temperature (°C) [50]If the CPU temperature exceeds this target value, the CPU fan speed will beauto-adjusted to cool down the CPU to this target temperature.Tolerance of Temperature (°C) [02]Allows you to set a tolerable temperature range before the CPU fan speedincreases to cool down the CPU to the target temperature.The following item appears only when you set the CPU Fan Control item to [FixSpeed] and is adjusted by typing the desired values using the numeric keypadand press the key. You can also use the <+> and <-> keys to adjust thevalue.Fan Fix Ratio(%) [50]Allows you to set a fixed fan speed ratio during system operation.Setting a very low ratio may cause dramatical fan speed drop and triggerwarning message.MB Temperature [xxxºC/xxxºF]The onboard hardware monitor automatically detects and displays themotherboard temperature. Select [Ignored] if you do not wish to display thedetected temperatures.