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Intel® 631xESB/632xESB I/O Controller Hub: Thermal 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®
631xESB/632xESB I/O Controller Hub.• Describe a reference thermal solution that meets the specification of the Intel 631xESB/632xESB I/O Controller
Hub.Properly designed thermal solutions provide adequate cooling to maintain the Intel 631xESB/632xESB I/O Controller Hub component die temperatures at or
below thermal specifications. This is accomplished by providing a low local-ambient temperature, ensuring adequate local airflow, and minimizing the die to
local-ambient thermal resistance. By maintaining the Intel 631xESB/632xESB I/O Controller Hub component 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. This document addresses thermal design and specifications for the Intel 631xESB/632xESB I/O Controller Hub component only. For thermal design
information on other chipset components, refer to the respective component datasheet.Read the full Intel® 631xESB/632xESB I/O Controller Hub Thermal Guide.
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