Intel D945GCNL Product Specification - Page 61
Reliability, Environmental
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Technical Reference 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 MTBF for the D945GCNL board is 162,484 hours. 2.13 Environmental Table 30 lists the environmental specifications for the board. Table 30. Environmental Specifications Parameter Temperature Non-Operating Operating Shock Unpackaged Packaged Vibration Unpackaged Packaged Specification -40 °C to +70 °C 0 °C to +55 °C 50 g trapezoidal waveform Velocity change of 170 inches/second² Half sine 2 millisecond Product Weight (pounds) Free Fall (inches)