Asus P5L-MX - Manual (Page 79)

ASUS P5L-MX 2-33
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.
Configuration options: [Ignored] [xxxRPM] or [N/A]
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.
Configuration options: [Ignored] [xxxRPM] or [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.