Compaq 4120T Personal Computer User Manual


 
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Removal and Replacement Preliminaries 4-3
4.1.4 Preventing Damage to Drives
To prevent static damage to hard drives, use the following precautions:
Handle drives gently, using static-guarding techniques.
Store drives in the original shipping containers.
Avoid dropping drives from any height onto any surface.
Handle drives on surfaces that have at least one inch of shockproof foam.
Always place drives with the PCB assembly-side down on the foam.
4.1.5 Grounding Methods
The method for grounding must include a wrist strap or a foot strap at
a grounded workstation. When seated, wear a wrist strap connected to a grounded
system. When standing, use footstraps and a grounded floor mat.
Table 4-2
Static-Shielding Protection Levels
Method Voltages
A
ntistatic plastic 1,500
Carbon-loaded plastic 7,500
Metallized laminate 15,000