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DP43TF Desktop Board Specification Update

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10 Intel Desktop Board DP43TF Specification Update
Table 31 provides maximum case temperatures for the board components that are
sensitive to thermal changes. The operating temperature, current load, or operating
frequency could affect case temperatures. Maximum case temperatures are important
when considering proper airflow to cool the board.
Table 31. Thermal Considerations for Components
Component Maximum Case Temperature
Processor For processor case temperature, see processor datasheets and
processor specification updates
Intel 82P43 GMCH 103
o
C
Intel 82801JB (ICH10) 111
o
C
For information about Refer to
Processor datasheets and specification updates Section 1.2, page 15
To ensure functionality and reliability, the component is specified for proper operation
when Case Temperature is maintained at or below the maximum temperature listed in
Table 31. This is a requirement for sustained power dissipation equal to Thermal
Design Power (TDP is specified as the maximum sustainable power to be dissipated by
the components). When the component is dissipating less than TDP, the case
temperature should be below the Maximum Case Temperature. The surface
temperature at the geometric center of the component corresponds to Case
Temperature.
It is important to note that the temperature measurement in the system BIOS is a
value reported by embedded thermal sensors in the components and does not directly
correspond to the Maximum Case Temperature. Intel
®
Quiet System Technology
(Intel
®
QST) monitors the embedded thermal sensor for system fan speed control. The
upper operating limit when monitoring this thermal sensor is Tcontrol.
Table 32. Tcontrol Values for Components
Component Tcontrol
Processor
For processor Tcontrol, see processor datasheets and processor specification
updates
Intel 82P43 GMCH 99
o
C
Intel 82801JB (ICH10) 101
o
C
For more information regarding Thermal Design Guidelines please refer to:
http://developer.intel.com/Products/Desktop/Chipsets/P43/P43-
technicaldocuments.htm