Lenovo RD120 User Manual download pdf (Page 45)

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. Always use an

electrostatic-discharge wrist strap or other grounding system when working inside

the server with the power on.

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 surface on the outside 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 handling devices during cold weather. Heating reduces

indoor humidity and increases static electricity.

Removing the cover

Important: Before you install optional hardware, make sure that the server is

working correctly. Start the server, and make sure that the operating system starts,

if an operating system is installed, or that a 19990305 error code is displayed,

indicating that an operating system was not found but the server is otherwise

working correctly. If the server is not working correctly, see the Hardware

Maintenance Manual for diagnostic information.

To remove the cover, complete the following steps:

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

on page 29.

2. If you are planning to install or remove a microprocessor, memory module, PCI

adapter, battery, or other non-hot-swap optional device, turn off the server and

all attached devices and disconnect all external cables and power cords (see

“Turning off the server” on page 12).

Chapter 2. Installing optional devices 31

Lenovo RD120 User Manual Page 45

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Lenovo RD120 User Manual Page 45

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