Asus P4B266 - Manual (Page 97)

ASUS P4B266 motherboard user guide 4-29
4.5.2 Hardware Monitor
MB Temperature [xxxC/xxxF]
CPU Temperature [xxxC/xxxF]
The onboard hardware monitor automatically detects the motherboard and
CPU temperatures and shows the values opposite these items.
CPU Fan Speed [xxxxRPM]
Power Fan Speed [xxxxRPM)
Chassis Fan Speed [N/A]
The onboard hardware monitor automatically detects the CPU and chassis
fan speeds in rotations per minute (RPM).
VCORE Voltage, +3.3V Voltage, +5V Voltage, +12V Voltage
The onboard hardware monitor automatically detects the voltage output
through the onboard voltage regulators.
If any of the monitored items is out of range, the following error
message appears: “Hardware Monitor found an error. Enter Power
setup menu for details”. You will then be prompted to “Press F1 to
continue or DEL to enter SETUP”.