Asus P5BV-C - Manual (Page 86)

4-28 Chapter 4: BIOS setup
CPU_FAN1 Speed [xxxxRPM] or [N/A]
FRNT_FAN1/2/3 Speed [xxxxRPM] or [N/A]
REAR FAN1 Speed [xxxxRPM] or [N/A]
The onboard hardware monitor automatically detects and displays the CPU, front,
and rear fan speed in Rotations Per Minute (RPM). If the fan is not connected to
the motherboard, the field shows N/A.
CPU Smart FAN Control [Enabled]
Allows you to enable or disable ASUS Smart FAN feature that smartly adjusts the
fan speeds for more efficient system operation. Configuration options: [Disabled]
[Enabled]
The CPU Fan Ratio and CPU Target Temperature items appear when you set
the Smart Fan Control item to [Enabled].
CPU Fan Ratio [XXX]
CPU Target Temperature [XXX]
Displays the detected CPU and system threshold temperature when the
Smart Fan Control is enabled.
FRNT_FAN1 Speed, FRNT_FAN2 Speed, FRNT_FAN3 Speed, and
REAR_Fan 1 Speed [N/A]
Allows you to enable or disable the front and rear fans.
Configuration options: [Ignored] [N/A]
VCORE1 Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage, and VBAT
Voltage
The onboard hardware monitor automatically detects the voltage outputs through
the onboard voltage regulators.