Asus P5MT-MX/C - Manual (Page 88)

4-30 Chapter 4: BIOS setup
CPU Fan 1/2 Speed [xxxxRPM] or [N/A]
Front Fan1/2 Speed [xxxxRPM] or [N/A]
Rear Fan1/2 Speed [xxxxRPM] or [N/A]
The onboard hardware monitor automatically detects and displays the CPU
fan speed in rotations per minute (RPM). If the fan is not connected to the
motherboard, the field shows N/A.
Smart Fan Control [Enabled]
Allows you to enable or disable the ASUS Smart Fan feature that smartly
adjusts the fan speeds for more efficient system operation.
Configuration options: [Disabled] [Enabled]
When Smart Fan Control item is set to [Enabled], the CPU Target
Temperature and MB Target Temperature items appear.
CPU Tareget Temperature [xxx]
MB Tareget Temperature [xxx]
Allows you to set the temperature threshold when the CPU fan speed
is increased. If the CPU/MB temperature is above your setting, the CPU
fan runs at its maximum speed. If the CPU/MB temperature is below your
setting, the CPU fan runs at a lower speed. To set, use the <-> or <+> key.
VCORE Voltage, 3.3V Voltage, 5V Voltage, 5VSB
Voltage, VBAT Voltage, 12V Voltage
The onboard hardware monitor automatically detects the voltage output
through the onboard voltage regulators.