Asus P5N73-CM - Manual (Page 85)

ASUS P5N73-CM 2-35
Vcore, Vcc 12, Vcc 3.3V, 5V
The onboard hardware monitor automatically detects the voltage output through
the onboard voltage regulators. Configuration options: [xxx] [Ignored]
CPU Fan Speed warning [600 RPM]
Sets the CPU fan speed warning feature. Configuration options: [Disabled]
[600RPM] [1200RPM] [1600RPM]