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Intel® E7221 Memory Controller Hub Thermal Design GuideAs the complexity of computer systems increases, so do the power dissipation requirements. Care must be taken to ensure that the additional power is properly dissipated. Typical methods to improve heat dissipation include selective use of ducting, and/or passive heatsinks.The goals of this document are to:• Outline the thermal and mechanical operating limits and specifications for the Intel® E7221 chipset memory controller hub (MCH).• Describe a reference thermal solution that meets the specification of the Intel E7221 chipset MCH.Properly designed thermal solutions provide adequate cooling to maintain the Intel E7221 chipset MCH die temperatures at or below thermal specifications. This is accomplished by providing a low localambient temperature, ensuring adequate local airflow, and minimizing the die to local-ambient thermal resistance. By maintaining the Intel E7221 chipset MCH die temperature at or below the specified limits, a system designer can ensure the proper functionality, performance, and reliability of the chipset. Operation outside the functional limits can degrade system performance and may cause permanent changes in the operating characteristics of the component.The simplest and most cost effective method to improve the inherent system cooling characteristics is through careful chassis design and placement of fans, vents, and ducts. When additional cooling is required, component thermal solutions may be implemented in conjunction with system thermal solutions. The size of the fan or heatsink can be varied to balance size and space constraints with acoustic noise.Note: Unless otherwise specified, the term “MCH” refers to the Intel E7221 chipset MCH.Read the full Intel E7221 Memory Controller Hub Thermal Design Guide.