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SKY-8101S Manual V04 20180321
Copyright 2016 Advantech Co. Ltd. All rights reserved.
Page 54
2.4.13.2 Thermal Management
The system thermals are managed by the BMC using a Smart Fan algorithm. Smart
Fan is a fan control algorithm that provides proper cooling to the system while
minimizing noise and maximizing fan MTBF. The Smart Fan parameters have been
optimized for the SKY-8101S and are automatically loaded at system start time.
The Smart Fan algorithm uses the CPU temperatures as basis as the CPUs are the
hottest elements in the system under normal circumstances. Advanced platform
management introduces a special safe guard mechanism to assure normal operation
under special conditions: Should any other thermal sensor than the CPUs cross an
upper threshold, the BMC will override the Smart Fan control and turn all fans to full on
as long as such special condition applies. Advanced Platform Management takes
similar actions when it detects a fan failure or severe degradation.
Air inlet is through the front cover and the integrated air filter (if present). Five fan
modules, each consisting of two fans soak in the air and push it over the motherboard
as well as the PCIe card cages. Air outlet is through the rear side of the unit.
The PSU modules have integrated fans which provide for independent cooling of the
PSU modules and exhaust air through the rear panel.
Figure 2-20: System Airflow and Fans
All fans are supervised by the BMC for proper operation.
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