Asus Z97-A USB 3.1 User Guide - Page 102

Chassis Fan 1/4 Q-Fan Control 1/4 [Enabled], Chassis Fan 1/4 Q-Fan Source [DC Mode]

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Page 102 highlights

CPU Fan Middle Duty Cycle(%) [20] Use the or keys to adjust the CPU fan middle duty cycle. The values range from 20% to 100%. When the CPU temperature reaches the upper limit, the CPU fan operates at the maximum duty cycle. CPU Lower Temperature [20] Use the or keys to adjust the CPU fan's lower temperature. The values range from 20% to 75%. CPU Fan Min. Duty Cycle(%) [20] Use the or keys to adjust the minimum CPU fan duty cycle. The values range from 0% to 100%. When the CPU temperature is under 40ºC, the CPU fan operates at the minimum duty cycle. 2.7.6 Chassis Fan 1/4 Q-Fan Control 1/4 [Enabled] These items allow you to set the chassis fans' Q-Fan control feature into DC Mode, PWM Mode, or disable these Q-Fan controls from your motherboard. Configuration options: [Disabled] [DC Mode] [PWM Mode] The following items appear only when you set the Chassis Fan 1/4 Q-Fan Control to [PWM Mode] or [DC Mode]. Chassis Fan 1/4 Q-Fan Source [DC Mode] This item controls the assigned fan according to the selected temperature source. Configuration options: [CPU] [MB] [VRM] [PCH Core] [T_SENSOR1] If you select T_SENSOR1, plug a thermistor cable to T_SENSOR1 header and stick the thermistor cable's head to the desired component as the temperature source. Chassis Fan 1/4 Speed Low Limit 1/4 [300 RPM] This item allows you to disable or set the chassis fan warning speed. Configuration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM] Chassis Fan 1/4 Profile [Standard] This item allows you to set the appropriate performance level of the chassis fan. [Standard] Set to make the chassis fan adjust automatically depending on the chassis temperature. [Silent] Set to minimize the fan speed for quiet chassis fan operation. [Turbo] Set to achieve maximum chassis fan speed. [Manual] Set to assign detailed fan speed control parameters. The following items appear only when you set the Chassis Fan Profile to [Manual]. Chassis Fan 1/4 Upper Temperature [70] Use the or keys to adjust the upper limit of the CPU temperature. The values range from 40°C to 90°C. 2-48 Chapter 2: BIOS information

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2-48
Chapter 2: BIOS information
CPU Fan Middle Duty Cycle(%) [20]
Use the <+> or <-> keys to adjust the CPU fan middle duty cycle. The values range
from 20% to 100%. When the CPU temperature reaches the upper limit, the CPU fan
operates at the maximum duty cycle.
CPU Lower Temperature [20]
Use the <+> or <-> keys to adjust the CPU fan’s lower temperature. The values range
from 20% to 75%.
CPU Fan Min. Duty Cycle(%) [20]
Use the <+> or <-> keys to adjust the minimum CPU fan duty cycle. The values range
from 0% to 100%. When the CPU temperature is under 40ºC, the CPU fan operates at
the minimum duty cycle.
2.7.6
Chassis Fan 1/4 Q-Fan Control 1/4 [Enabled]
These items allow you to set the chassis fans’ Q-Fan control feature into DC Mode, PWM
Mode, or disable these Q-Fan controls from your motherboard.
Configuration options: [Disabled] [DC Mode] [PWM Mode]
The following items appear only when you set the Chassis Fan 1/4 Q-Fan Control to
[PWM
Mode]
or
[DC Mode]
.
Chassis Fan 1/4 Q-Fan Source [DC Mode]
This item controls the assigned fan according to the selected temperature source.
Configuration options: [CPU] [MB] [VRM] [PCH Core] [T_SENSOR1]
If you select T_SENSOR1, plug a thermistor cable to T_SENSOR1 header and stick the
thermistor cable’s head to the desired component as the temperature source.
Chassis Fan 1/4 Speed Low Limit 1/4 [300 RPM]
This item allows you to disable or set the chassis fan warning speed.
Configuration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM]
Chassis Fan 1/4 Profile [Standard]
This item allows you to set the appropriate performance level of the chassis fan.
[Standard]
Set to make the chassis fan adjust automatically depending on the chassis
temperature.
[Silent]
Set to minimize the fan speed for quiet chassis fan operation.
[Turbo]
Set to achieve maximum chassis fan speed.
[Manual]
Set to assign detailed fan speed control parameters.
The following items appear only when you set the Chassis Fan Profile to
[Manual]
.
Chassis Fan 1/4 Upper Temperature [70]
Use the <+> or <-> keys to adjust the upper limit of the CPU temperature. The values
range from 40°C to 90°C.