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
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3.13GRMS (10 minutes per axis)