CPU Target Temperature [xxx¼C]

Allows you to set the CPU temperature threshold when the CPU fan speed is increased to lower the CPU temperature. This item appears only when the CPU Q-Fan Control item is Enabled. The configuration option varies depending on the CPU installed.

Chassis Fan Speed [xxxxRPM] or [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 chassis, the specific field shows N/A.

Chassis Q-Fan Control [Disabled]

Allows you to enable or disable the ASUS Q-Fan feature that smartly adjusts the fan speeds for more efficient system operation. When this field is set to [Enabled], the Chassis Fan Ratio item appears to allow selection of the appropriate fan speed ratio.

Configuration options: [Disabled] [Enabled]

Chassis Fan Ratio [Auto]

Allows you to select the appropriate chassis fan speed ratio for the system. The default [Auto] automatically selects the fan speed ratio when operating a low chassis temperature. Select a higher ratio if you installed additional devices and the system requires more ventilation. This item appears only when the chassis Q-Fan Control item is Enabled. Configuration options: [Auto] [75%] [70%] [65%] [60%]

Only the CPU fan (CPU_FAN1) and chassis fan 1 (CHA_FAN1) connectors support the ASUS Q-Fan 2 feature.

Power Fan Speed [xxxxRPM] or [N/A]

The onboard hardware monitor automatically detects and displays the power fan speed in rotations per minute (RPM). If the fan is not connected to the power fan connector, the specific field shows N/A.

VCORE Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage

The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators.

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Chapter 4: BIOS setup

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Asus P5GD2 manual CPU Target Temperature xxx¼C, Chassis Fan Speed xxxxRPM or N/A, Chassis Q-Fan Control Disabled