How To Avoid Electrostatic Discharge; Before You Begin; What To Do - Sun Microsystems Sun Fire V490 Parts Installation And Removal Manual

How to Avoid Electrostatic Discharge

Use the following procedure to prevent static damage whenever you are accessing
any of the internal components of the system.

Before You Begin

Complete these tasks:
"How to Power Off the System" on page 22
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"How to Slide the System Out of the Cabinet" on page 25
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If you are servicing any internal components, remove the relevant access panel.
Complete the appropriate tasks:
"How to Remove the Power Supply Access Panel" on page 46
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"How to Remove the CPU Access Panel" on page 74
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"How to Remove the PCI Access Panel" on page 100
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You must have the following items:
Antistatic wrist or foot strap
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Antistatic mat
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What to Do

Caution – Printed circuit boards and hard disk drives contain electronic
components that are extremely sensitive to static electricity. Ordinary amounts of
static from your clothes or the work environment can destroy components.
Do not touch the components or any metal parts without taking proper antistatic
precautions.
1. Disconnect the AC power cords from the power inlets only when performing the
following procedures:
Removing and installing the power distribution board
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Removing and installing the centerplane
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Removing and installing the PCI riser board
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Removing and installing the system controller (SC) card
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Removing and installing the system control switch/power button cable
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The AC power cord provides a discharge path for static electricity, so it should
remain plugged in except when you are servicing the parts noted above.
Chapter 2 Preparing to Service the System 41