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Integrated Dell Remote Access Controller 9 User's Guide

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Optimizing system performance and power consumption

The power required to cool a server can contribute a significant amount to the overall system power. Thermal control is the active management of system cooling through fan speed and system power management to make sure that the system is reliable while minimizing system power consumption, airflow, and system acoustic output. You can adjust the thermal control settings and optimize against the system performance and performance-per-Watt requirements.
Using the iDRAC Web interface, RACADM, or the iDRAC Settings Utility, you can change the following thermal settings:
  • Optimize for performance
  • Optimize for minimum power
  • Set the maximum air exhaust temperature
  • Increase airflow through a fan offset, if required
  • Increase airflow through increasing minimum fan speed
Following are the list of features in thermal management:
  • System Airflow Consumption: Displays the real-time system airflow consumption (in CFM), allowing airflow balancing at rack and datacenter level.
  • Custom Delta-T: Limit air temperature rise from inlet air to exhaust to right-size your infrastructure level cooling.
  • Exhaust Temperature Control: Specify the temperature limit of the air exiting the server to match your datacenter needs.
  • Custom PCIe inlet temperature: Choose the right input inlet temperature to match 3rd party device requirements.
  • PCIe Airflow settings: Provides a comprehensive PCIe device cooling view of the server and allows cooling customization of 3rd party cards.

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