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Chapter 4: AMI BIOS
4-6 Thermal & Fan
Fan Control
Fan Control
This feature allows the user to decide how the system controls the speeds
of the onboard fans. The CPU temperature and the fan speed are cor-
relative. When the CPU on-die temperature increases, the fan speed will
also increase for effective system cooling. Select "Full Speed" to allow
the onboard fans to run at full speed (of 100% Pulse Width Modulation
Duty Cycle) for maximum cooling. This setting is recommended for special
system configuration or debugging. Select "Stable" for the onboard fans
to run at 50% of the Initial PWM Cycle in order to balance the needs
between system cooling and power saving. This setting is recommended
for regular systems with normal hardware configurations. Select "Quiet"
to optimize for minimal fan noise and Custom to enter user-specific set-
tings. The options are Quiet, Stable, Full Speed, and Customize.
When "Customize" is selected above, the settings for CPU_FAN1/FAN2
FAN Control, SYS FAN1/FAN2/FAN3 FAN Control will appear and
can be configured.
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