Compaq 4150T, 4130T, 4140T, 4131T, 4200, 4125T, 4160T Preventing Damage to Drives, Grounding Methods

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4.1.4Preventing 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.

4.1.5Grounding 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
Antistatic plastic	1,500
Carbon-loaded plastic	7,500
Metallized laminate	15,000

Removal and Replacement Preliminaries 4-3