Asus Maximus Formula - Manual (Page 106)

4-34 Chapter 4: BIOS setup
Duty Cycle Mode [90]
Allows you to set the fan duty cycle. When the OPT_Fan1/2/3 Q-Fan Control item
is set to [Q-FAN], this item does not appear.
Configuraiton options: [70] [80] [90] [100%]
TargetTemp Value [32]
Allows you to set the temperature at which the optional fan starts up. When the
OPT_Fan1/2/3 Q-Fan Control item is set to [RATIO], this item does not appear.
Configuration options: [16] [24] [32] [40] [48] [56] [64] [72]
Power Fan Speed [xxxxRPM] or [Ignored] / [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 motherboard, the field shows N/A.
VCORE Voltage, CPU PLL Voltage, North Bridge Voltage,
DRAM Voltage, FSB Termination Voltage, South Bridge Voltage,
DDR2 Controller REF Voltage, SB 1.5V Voltage, 3.3V Voltage,
5V Voltage, 12V Voltage
The onboard hardware monitor automatically detects the voltage output through
the onboard voltage regulators.