Asus Rampage II GENE - Republic of Gamers Motherboard User Manual page 104

OPTFan1/2 Duty [50%]
Allows you to set the fan duty cycle. This item appears when the OPTFan1/2
Control item is set to [Duty Mode].
Configuration options: [40%] [50%] [60%] [70%] [80%] [90%]
OPTFan1/2 Low Speed Temp [25˚C]
Allows you to set the temperature at which the power fan rotates at low speed.
This item appears when the OPTFan1/2 Control item is set to [User Mode].
Configuration options: [25˚C] [30˚C] [35˚C] [40˚C]
OPTFan1/2 Full Speed Temp [60˚C]
Allows you to set the temperature at which the power fan rotates at full speed.
This item appears when the OPTFan1/2 Control item is set to [User Mode].
Configuration options: [60˚C] [70˚C] [80˚C] [90˚C]
3-34 Chapter 3: BIOS setup