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4-40 Chapter 4: BIOS setup
CHA Rear/Front 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.
CPU Fan Connector Type [4-Pin Fan]
Allows you to select the type of CPU fan cable connected to the CPU fan.
Conguration options: [4-Pin Fan] [3-Pin Fan]
Fan Boost Function [Disabled]
Allows you to enable or disable the fan boost function.
Conguration options: [Disabled] [Enabled]
When the Fan Boost Function is enabled, the 3-pin CPU fan will run at full
speed.
CPU Fan Speed warning [800 RPM]
Allows you to set the CPU fan warning speed function, which gives off a warning
when the CPU fan speed is too low. If you set this item to [Disabled], the system If you set this item to [Disabled], the system
will not warn you even if no fan is installed or if the fan is not functioning properly.
Conguration options: [Disabled] [800 RPM] [1200 RPM] [1600 RPM]