Intel D845GVFN Product Specification - Page 63

Reliability, 14 Environmental

Page 63 highlights

Technical Reference 2.13 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 D845GVFN MTBF is 149979.68 hours. 2.14 Environmental Table 40 lists the environmental specifications for the Desktop Board D845GVFN. Table 40. Desktop Board D845GVFN 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/second Half sine 2 millisecond Product Weight (pounds) Free Fall (inches)

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Technical Reference
63
2.13 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 D845GVFN MTBF
is 149979.68 hours.
2.14 Environmental
Table 40 lists the environmental specifications for the Desktop Board D845GVFN.
Table 40.
Desktop Board D845GVFN Environmental Specifications
Parameter
Specification
Temperature
Non-Operating
-40
°
C to +70
°
C
Operating
0
°
C to +55
°
C
Shock
Unpackaged
50 g trapezoidal waveform
Velocity change of 170 inches/second
Packaged
Half sine 2 millisecond
Product Weight (pounds)
Free Fall (inches)
Velocity Change (inches/sec)
<20
36
167
21-40
30
152
41-80
24
136
81-100
18
118
Vibration
Unpackaged
5 Hz to 20 Hz:
0.01 g² Hz sloping up to 0.02 g² Hz
20 Hz to 500 Hz:
0.02 g² Hz (flat)
Packaged
10 Hz to 40 Hz:
0.015 g² Hz (flat)
40 Hz to 500 Hz:
0.015 g² Hz sloping down to 0.00015 g² Hz