HP ProLiant 4500 Compaq ProLiant 4500R Rack-Mountable Servers Maintenance and - Page 14

Electrostatic Discharge, Information, Preparation Procedures

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2-2 Removal and Replacement Procedures n System Configuration utility n Diagnostics software n Drive Array Advanced Diagnostics software ELECTROSTATIC DISCHARGE INFORMATION A discharge of static electricity can damage static-sensitive devices or microcircuitry. Proper packaging and grounding techniques are necessary precautions to prevent damage. To prevent electrostatic damage observe the following precautions: n Transport products in static-safe containers such as conductive tubes, bags, or boxes. n Keep electrostatic-sensitive parts in their containers until they arrive at static-free stations. n Cover work stations with approved static-dissipating material. Provide a wrist strap connected to the work surface and properly grounded tools and equipment. n Keep work area free of non-conductive materials such as ordinary plastic assembly aids and foam packing. n Always be properly grounded when touching a static-sensitive component or assembly. n Avoid touching pins, leads or circuitry. n Always place drives PCB assembly side down on the foam. n Use conductive field service tools. PREPARATION PROCEDURES Before beginning any of the removal and replacement procedures (excluding Hot-Pluggable hard drives), complete the following steps: 1. Power the system down cleanly according to your operating system. 2. Turn the server off. CAUTION: Never turn a storage system off before the server controlling it has been turned off. Doing so will cause the controller to mark the drives as failed. 3. Turn the Storage System off. 4. Disconnect the AC power cord from the AC outlet, then from the system. 5. Disconnect all external peripheral devices from the computer. WARNING: High voltage is present. Extreme care must be taken when running the Rack-Mountable Server System without the system unit cover on. Maintenance and Service Guide

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2-2
Removal and Replacement Procedures
Maintenance and Service Guide
n
System Configuration utility
n
Diagnostics software
n
Drive Array Advanced Diagnostics software
ELECTROSTATIC DISCHARGE
INFORMATION
A discharge of static electricity can damage static-sensitive devices or microcircuitry.
Proper
packaging and grounding techniques are necessary precautions to prevent damage.
To prevent
electrostatic damage observe the following precautions:
n
Transport products in static-safe containers such as conductive tubes, bags, or boxes.
n
Keep electrostatic-sensitive parts in their containers until they arrive at static-free stations.
n
Cover work stations with approved static-dissipating material.
Provide a wrist strap
connected to the work surface and properly grounded tools and equipment.
n
Keep work area free of non-conductive materials such as ordinary plastic assembly aids and
foam packing.
n
Always be properly grounded when touching a static-sensitive component or assembly.
n
Avoid touching pins, leads or circuitry.
n
Always place drives PCB assembly side down on the foam.
n
Use conductive field service tools.
PREPARATION PROCEDURES
Before beginning any of the removal and replacement procedures (excluding Hot-Pluggable hard
drives), complete the following steps:
1.
Power the system down cleanly according to your operating system.
2.
Turn the server off.
CAUTION:
Never turn a storage system off before the server controlling it has
been turned off.
Doing so will cause the controller to mark the drives as failed.
3.
Turn the Storage System off.
4.
Disconnect the AC power cord from the AC outlet, then from the system.
5.
Disconnect all external peripheral devices from the computer.
WARNING:
High voltage is present.
Extreme care must be taken when
running the Rack-Mountable Server System without the system unit cover
on.