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4-36 Chapter 4: BIOS setup
CHA Fan Q-Fan Sense [CPU Temperature]
Allows the Q-Fan to sense CPU/MB temperature and to adjust the fan speed.
When the previous items are set to Q-FAN Mode, these items become user-
congurable. Conguration options: [CPU Temperature] [MB Temperature]
OPT Fan1/2/3 Target Temperature [40ºC/104ºF]
Allows the Q-Fan to sense the temperature of fans connected to OPT
Fan1/2/3 and to adjust the fan speed. When the OPT Fan1/2/3 Control items
are set to Q-FAN Mode, these items become user-congurable.
Conguration options: [10ºC/50ºF] [15ºC/59ºF] [20ºC/68ºF] [25ºC/77ºF]
[30ºC/86ºF] [35ºC/95ºF] [40ºC/104ºF] [45ºC/113ºF] [50ºC/122ºF] [55ºC/131ºF]
[60ºC/140ºF] [65ºC/149ºF] [70ºC/158ºF] [75ºC/167ºF] [80ºC/176ºF] [85ºC/
185ºF]
The thermo sensor cables need to be connected to the optional fans rst for this
function.
Fan Speed Control
CPU Fan Control [Duty Cycle Mode]
CPU Fan Duty Cycle [100%]
CHA Fan Control [Duty Cycle Mode]
CHA Fan Duty Cycle [100%]
x CHA Fan Q-Fan Sense CPU Temperature
OPT Fan1 Control [Duty Cycle Mode]
OPT Fan1 Duty Cycle [100%]
x OPT Fan1 Target Temperature 40ºC/104ºF
OPT Fan2 Control [Duty Cycle Mode]
OPT Fan2 Duty Cycle [100%]
x OPT Fan2 Target Temperature 40ºC/104ºF
OPT Fan3 Control [Duty Cycle Mode]
OPT Fan3 Duty Cycle [100%]
x OPT Fan3 Target Temperature 40ºC/104ºF
OPT Fan4 Duty Cycle [100%]
OPT Fan5 Duty Cycle [100%]
PWR FAN Duty Cycle [100%]
Phoenix-Award BIOS CMOS Setup Utility
Power
Fan Speed Control
Select Menu
Item Specic Help
Press [Enter] to enable
or disable.
CPU / CHA / OPT Fan1, 2, 3, Fan Control
[Duty Cycle Mode]
Allows you to select the fan control mode.
Conguration options: [Duty Cycle Mode] [Q-FAN Mode]
CPU / CHA / PWR / OPT Fan1, 2 , 3 , 4, 5 Fan Duty Cycle [100%]
Allows you to set the fan duty cycle. When the Fan Control item is set to
Q-FAN Mode, this item is not user-congurable.
Conguration options: [60%] [70%] [80%] [90%] [100%]