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Thermal Specifications and Design Considerations

Datasheet

The case temperature is defined at the geometric top center of the processor. Analysis

indicates that real applications are unlikely to cause the processor to consume

maximum power dissipation for sustained time periods. Intel recommends that

complete thermal solution designs target the Thermal Design Power (TDP) indicated in

Table 26 instead of the maximum processor power consumption. The Thermal Monitor

feature is designed to protect the processor in the unlikely event that an application

exceeds the TDP recommendation for a sustained periods of time. For more details on

the usage of this feature, refer to Section 5.2. In all cases the Thermal Monitor or

Thermal Monitor 2 feature must be enabled for the processor to remain within

specification.

Table 26.

Processor Thermal Specifications for 775_VR_CONFIG_05A Processors

Processor

Number

Core

Frequency

(GHz)

Thermal

Design

Power (W)

Minimum

TC (°C)

Maximum TC (°C)

Notes

631

3 GHz

See Table 28 and

Figure 12

1, 2

NOTES:

1. Thermal Design Power (TDP) should be used for processor thermal solution design targets. The TDP is not the

maximum power that the processor can dissipate.

2. This table shows the maximum TDP for a given frequency range. Individual processors may have a lower TDP.

Therefore, the maximum TC will vary depending on the TDP of the individual processor. Refer to Table 28 and

Figure 12 for the allowed combinations of power and TC.

641

3.20 GHz

See Table 28 and

Figure 12

1, 2

651

3.40 GHz

See Table 28 and

Figure 12

1, 2

661

3.60 GHz

See Table 28 and

Figure 12

1, 2

Table 27.

Processor Thermal Specifications for 775_VR_CONFIG_06 Processors

Processor

Number

Core

Frequency

(GHz)

Thermal

Design

Power (W)

Minimum

TC (°C)

Maximum TC (°C)

Notes

631

641

651

3 GHz

3.20 GHz

3.40 GHz

See Table 29and

Figure 13

1, 2

NOTES:

1. Thermal Design Power (TDP) should be used for processor thermal solution design targets. The TDP is not the

maximum power that the processor can dissipate.

2. This table shows the maximum TDP for a given frequency range. Individual processors may have a lower TDP.

Therefore, the maximum TC will vary depending on the TDP of the individual processor. Refer to thermal profile

figure and associated table for the allowed combinations of power and TC.

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