Asus P5E3 Premium WiFi-APn User Manual - Page 106
Chassis Fan 1/2/3/4 Speed [xxxxRPM] or [Ignored] / [N/A], Chassis Fan Controls [Full Speed], CPU
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Chassis Fan 1/2/3/4 Speed [xxxxRPM] or [Ignored] / [N/A] The onboard hardware monitor automatically detects and displays the chassis fan speed in rotations per minute (RPM). If the fan is not connected to the motherboard, the field shows [N/A]. Chassis Fan Controls [Full Speed] Allows you to select the chassis fan control mode. Configuration options: [Full Speed] [Manual] [Fix Speed] The following three items appear only when you set the Chassis Fan Controls item to [Manual] and are adjusted by typing the desired values using the numeric keypad and press the key. You can also use the and keys to adjust 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 trigger warning message. Target Temperature (°C) [30] If the motherboard temperature exceeds this target value, the chassis fan speed will be auto-adjusted to cool down the motherboard to this target temperature. Tolerance of Temperature (°C) [02] Allows you to set a tolerable temperature range before the chassis fan speed increases to cool down the motherboard to the target temperature. The following item appears only when you set the Chassis Fan Controls item to [Fix Speed] and is adjusted by typing the desired values using the numeric keypad and press the key. You can also use the and keys to adjust the value. 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 trigger warning message. CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators. Select [Ignored] if you do not want to detect this item. 4-34 Chapter 4: BIOS setup