Intel 2ND GENERATION CORE PROCESSOR FAMILY DESKTOP - THERMAL MECHANICAL SPECIFICATIONS AND DESIGN GUIDELINES 01-2011 Specifications page 11

Thermal mechanical specifications and design guidelines (tmsdg) for 2nd generation intel core processor family desktop and lga1155 socket
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Introduction
Table 1-2.
Terms and Descriptions (Continued)
Term
T
Tcontrol is a static value that is below the TCC activation temperature and used as a trigger point for fan
CONTROL
speed control. When DTS > Tcontrol, the processor must comply to the TTV thermal profile.
TDP
Thermal Design Power: Thermal solution should be designed to dissipate this target power level. TDP is not
the maximum power that the processor can dissipate.
Thermal Monitor
A power reduction feature designed to decrease temperature after the processor has reached its maximum
operating temperature.
Thermal Profile
Line that defines case temperature specification of the TTV at a given power level.
TIM
Thermal Interface Material: The thermally conductive compound between the heatsink and the processor
case. This material fills the air gaps and voids, and enhances the transfer of the heat from the processor
case to the heatsink.
TTV
Thermal Test Vehicle. A mechanically equivalent package that contains a resistive heater in the die to
evaluate thermal solutions.
T
The measured ambient temperature locally surrounding the processor. The ambient temperature should be
LA
measured just upstream of a passive heatsink or at the fan inlet for an active heatsink.
T
The system ambient air temperature external to a system chassis. This temperature is usually measured
SA
at the chassis air inlets.
Thermal/Mechanical Specifications and Design Guidelines
Description
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11

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