ATX Thermal/Mechanical Design Information
56
Thermal and Mechanical Design Guidelines
Figure 6-3. Random Vibration PSD
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 (that is,
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)
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)
Summary of Contents for AT80569PJ080N - Core 2 Quad 3 GHz Processor
Page 24: ...Processor Thermal Mechanical Information 24 Thermal and Mechanical Design Guidelines...
Page 80: ...Heatsink Clip Load Metrology 80 Thermal and Mechanical Design Guidelines...
Page 82: ...Thermal Interface Management 82 Thermal and Mechanical Design Guidelines...
Page 108: ...Fan Performance for Reference Design 108 Thermal and Mechanical Design Guidelines...
