Advantech AIMB-226 User Manual page 61

3.2.2.9 H/W Monitor

Smart Fan Function
This item allows you to enable/disable CPU cooler smart function.

CPU Warning Temperature
Use this to set the CPU warning temperature threshold. When the system
reaches the warning temperature, the speaker will beep.

ACPI Shutdown Temperature
Use this to set the ACPI shutdown temperature threshold. When the system
reaches the shutdown temperature, it will be automatically shut down by ACPI
OS to protect the system from overheating damage.
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