Intel BX80570E8200A Scheda Tecnica Pagina 58

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ATX Thermal/Mechanical Design Information
58 Thermal and Mechanical Design Guidelines
Figure 6-3. Random Vibration PSD
0.001
0.01
0.1
1
10 100 1000
Frequency (Hz)
PSD (g^2/Hz)
3.13GRMS (10 minutes per axis)
5 Hz
500 Hz
(5, 0.01)
(20, 0.02)
(500, 0.02)
6.3.1.2 Shock Test Procedure
Recommended performance requirement for a motherboard:
Quantity: 3 drops for + and - directions in each of 3 perpendicular axes (i.e.,
total 18 drops).
Profile: 50 G trapezoidal waveform, 170 in/sec minimum velocity change.
Setup: Mount sample board on test fixture.
Figure
6-4. Shock Acceleration Curve
0
10
20
30
40
50
60
0
2
4 6
8
10 12
Time
(
milliseconds
)
A
c
c
e
l
e
r
a
t
i
o
n
(g)
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