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
/H
z
)
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 (m illiseconds)
A
c
c
e
l
e
r
a
t
i
o
n
(g)
Содержание BX80570E8200 - Core 2 Duo 2.66 GHz Processor
Страница 10: ...10 Thermal and Mechanical Design Guidelines...
Страница 26: ...Processor Thermal Mechanical Information 26 Thermal and Mechanical Design Guidelines...
Страница 82: ...Heatsink Clip Load Metrology 82 Thermal and Mechanical Design Guidelines...
Страница 84: ...Thermal Interface Management 84 Thermal and Mechanical Design Guidelines...
Страница 108: ...Balanced Technology Extended BTX System Thermal Considerations 108 Thermal and Mechanical Design Guidelines...
Страница 110: ...Fan Performance for Reference Design 110 Thermal and Mechanical Design Guidelines...
Страница 122: ...Mechanical Drawings 122 Thermal and Mechanical Design Guidelines Figure 7 50 Reference Fastener Sheet 1...
Страница 123: ...Mechanical Drawings Thermal and Mechanical Design Guidelines 123 Figure 7 51 Reference Fastener Sheet 2...
Страница 124: ...Mechanical Drawings 124 Thermal and Mechanical Design Guidelines Figure 7 52 Reference Fastener Sheet 3...
Страница 125: ...Mechanical Drawings Thermal and Mechanical Design Guidelines 125 Figure 7 53 Reference Fastener Sheet 4...
