Intel DQ965CO DQ965CO Technical Product Specification - Page 75

Reliability

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Technical Reference Table 36 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 36. Thermal Considerations for Components Component Maximum Case Temperature Processor For processor case temperature, see processor datasheets and processor specification updates Intel 82Q965 GMCH Intel 82801HO ICH8DO 97 oC (under bias) 105 oC (under bias) For information about Processor datasheets and specification updates Refer to Section 1.2, page 17 2.12 Reliability The Mean Time Between Failures (MTBF) prediction is calculated using component and subassembly random failure rates. The calculation is based on the Bellcore Reliability Prediction Procedure, TR-NWT-000332, Issue 4, September 1991. The MTBF prediction is used to estimate repair rates and spare parts requirements. The MTBF data is calculated from predicted data at 55 ºC. The Desktop Board DQ965CO MTBF is 102,973 hours. 75

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Technical Reference
75
Table 36 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 36. Thermal Considerations for Components
Component
Maximum Case Temperature
Processor
For processor case temperature, see processor datasheets and
processor specification updates
Intel 82Q965 GMCH
97
o
C (under bias)
Intel 82801HO ICH8DO
105
o
C (under bias)
For information about
Refer to
Processor datasheets and specification updates
Section 1.2, page 17
2.12
Reliability
The Mean Time Between Failures (MTBF) prediction is calculated using component and
subassembly random failure rates.
The calculation is based on the Bellcore Reliability
Prediction Procedure, TR-NWT-000332, Issue 4, September 1991.
The MTBF
prediction is used to estimate repair rates and spare parts requirements.
The MTBF data is calculated from predicted data at 55 ºC.
The Desktop Board
DQ965CO MTBF is 102,973 hours.