Ibm 4190 Manual de usuario descargar pdf (Pagina 36)

Working inside the server with the power on

Attention: Static electricity that is released to internal server components when

the server is powered-on might cause the server to halt, which might result in the

loss of data. To avoid this potential problem, always use an electrostatic-discharge

wrist strap or other grounding system when you work inside the server with the

power on.

You might be instructed to turn on the server while the cover is off, to look at

system-board LEDs. Follow these guidelines when you work inside a server that is

turned on:

v Avoid wearing loose-fitting clothing on your forearms. Button long-sleeved shirts

before working inside the server; do not wear cuff links while you are working

inside the server.

v Do not allow your necktie or scarf to hang inside the server.

v Remove jewelry, such as bracelets, necklaces, rings, and loose-fitting wrist

watches.

v Remove items from your shirt pocket, such as pens and pencils, that could fall

into the server as you lean over it.

v Avoid dropping any metallic objects, such as paper clips, hairpins, and screws,

into the server.

Handling static-sensitive devices

Attention: Static electricity can damage the server and other electronic devices.

To avoid damage, keep static-sensitive devices in their static-protective packages

until you are ready to install them.

To reduce the possibility of damage from electrostatic discharge, observe the

following precautions:

v Limit your movement. Movement can cause static electricity to build up around

you.

v The use of a grounding system is recommended. For example, wear an

electrostatic-discharge wrist strap, if one is available.

v Handle the device carefully, holding it by its edges or its frame.

v Do not touch solder joints, pins, or exposed circuitry.

v Do not leave the device where others can handle and damage it.

v While the device is still in its static-protective package, touch it to an unpainted

metal part of the server for at least 2 seconds. This drains static electricity from

the package and from your body.

v Remove the device from its package and install it directly into the server without

setting down the device. If it is necessary to set down the device, put it back into

its static-protective package. Do not place the device on the server cover or on a

metal surface.

v Take additional care when you handle devices during cold weather. Heating

reduces indoor humidity and increases static electricity.

Removing the cover

To remove the cover, complete the following steps:

1. Read the safety information that begins on page v and “Installation guidelines”

on page 20.

22 IBM System x3250 M2 Types 4190 and 4194: User’s Guide

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Ibm 4190 Manual de usuario Pagina 36

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