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313079-001 Datasheet(PDF) 69 Page - Intel Corporation |
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313079-001 Datasheet(HTML) 69 Page - Intel Corporation |
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69 / 104 page  Dual-Core Intel® Xeon® Processor 5000 Series Datasheet 69 Thermal Specifications 6 Thermal Specifications 6.1 Package Thermal Specifications The Dual-Core Intel Xeon Processor 5000 series require a thermal solution to maintain temperatures within its operating limits. Any attempt to operate the processor outside these operating limits may result in permanent damage to the processor and potentially other components within the system. As processor technology changes, thermal management becomes increasingly crucial when building computer systems. Maintaining the proper thermal environment is key to reliable, long-term system operation. A complete solution includes both component and system level thermal management features. Component level thermal solutions can include active or passive heatsinks attached to the processor integrated heat spreader (IHS). Typical system level thermal solutions may consist of system fans combined with ducting and venting. This section provides data necessary for developing a complete thermal solution. For more information on designing a component level thermal solution, refer to the Dual- Core Intel® Xeon® Processor 5000 Series Thermal/Mechanical Design Guidelines. Note: The boxed processor will ship with a component thermal solution. Refer to Chapter 8, “Boxed Processor Specifications”for details on the boxed processor. 6.1.1 Thermal Specifications To allow the optimal operation and long-term reliability of Intel processor-based systems, the processor must remain within the minimum and maximum case temperature (TCASE) specifications as defined by the applicable thermal profile (refer to Table 6-1, Table 6-4 and Table 6-7; Figure 6-1, Figure 6-2 and Figure 6-3). Thermal solutions not designed to provide this level of thermal capability may affect the long- term reliability of the processor and system. For more details on thermal solution design, please refer to the processor thermal/mechanical design guidelines. The Dual-Core Intel Xeon Processor 5000 series implement a methodology for managing processor temperatures, which is intended to support acoustic noise reduction through fan speed control and to ensure processor reliability. Selection of the appropriate fan speed is based on the temperature reported by the processor’s Thermal Diode. If the diode temperature is greater than or equal to Tcontrol (refer to Section 6.2.6), then the processor case temperature must remain at or below the temperature specified by the thermal profile (refer to Figure 6-1, Figure 6-2 and Figure 6-3). If the diode temperature is less than Tcontrol, then the case temperature is permitted to exceed the thermal profile, but the diode temperature must remain at or below Tcontrol. Systems that implement fan speed control must be designed to take these conditions into account. Systems that do not alter the fan speed only need to guarantee the case temperature meets the thermal profile specifications. Intel has developed two thermal profiles, either of which can be implemented with the Dual-Core Intel Xeon Processor 5000 series. Both ensure adherence to Intel reliability requirements. Thermal Profile A (refer to Figure 6-1, Figure 6-2; Table 6-2 and Table 6-5) is representative of a volumetrically unconstrained thermal solution (that is, industry enabled 2U heatsink). In this scenario, it is expected that the Thermal Control Circuit (TCC) would only be activated for very brief periods of time when running the most power intensive applications. Thermal Profile B (refer to Figure 6-1 and |
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