User Manual

3-29
Chapter 3: BIOS setup
CPU Q-Fan Control [PWM Mode]
[Disabled] Disables the CPU Q-Fan control feature.
[PWM Mode] Enable the CPU Q-Fan control in PWM mode for 4-pin CPU fan.
NOTE: The following items appear only when you set CPU Q-Fan Control to
[PWM Mode].
CPU Fan Step Up [0 sec]
This item allows you to set the value of the CPU fan step up.
Conguration options: [0 sec] [2.1 sec] [2.8 sec] [3.6 sec] [4.2 sec] [5.0 sec] [6.3
sec] [8.5 sec] [12 sec] [25 sec]
CPU Fan Step Down [0 sec]
This item allows you to set the value of the CPU fan step down.
Conguration options: [0 sec] [2.1 sec] [2.8 sec] [3.6 sec] [4.2 sec] [5.0 sec] [6.3
sec] [8.5 sec] [12 sec] [25 sec]
CPU Fan Speed Low Limit [200 RPM]
This item appears only when you enable the CPU Q-Fan Control feature and
allows you to disable or set the CPU fan warning speed. Conguration options:
[Ignore] [200RPM] [300 RPM] [400 RPM] [500 RPM] [600RPM]
CPU Fan Prole [Standard]
This item appears only when you enable the CPU Q-Fan Control feature and
allows you to set the appropriate performance level of the CPU fan.
[Standard] Sets to [Standard] to make the CPU fan automatically adjust
depending on the CPU temperature.
[Silent] Sets to [Silent] to minimize the fan speed for quiet CPU fan
operation.
[Turbo] Sets to [Turbo] to achieve maximum CPU fan speed.
[Manual] Sets to [Manual] to assign detailed fan speed control parameters.
NOTE: The following four items appear only when you set CPU Fan Prole to
[Manual].
CPU Upper Temperature [70]
Use the <+> and <-> keys to adjust the upper limit of the CPU temperature.
CPU Fan Max. Duty Cycle(%) [100]
Use the <+> and <-> keys to adjust the maximum CPU fan duty cycle. The
values range from 20% to 100%. When the CPU temperature reaches the
upper limit, the CPU fan will operate at the maximum duty cycle.
CPU Middle Temperature [25]
Use the <+> or <-> keys to set the value for CPU Middle Temperature. The
range of the values depends on the CPU installed.