Chapter 4. Removing And Replacing Server Components; Installation Guidelines - IBM x3950 Problem Determination And Service Manual

Chapter 4. Removing and replacing server components

Replaceable components are of three types:
v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your
v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or
v Field replaceable unit (FRU): FRUs must be installed only by trained service
See Chapter 3, "Parts listing, Type 8878 and 8879," on page 109 to determine
whether a component is a Tier 1 CRU, Tier 2 CRU, or FRU.
For information about the terms of the warranty and getting service and assistance,
see the Warranty and Support Information document.

Installation guidelines

Before you install options, read the following information:
v Read the safety information that begins on page vii, "Working inside the server
v When you install your new server, take the opportunity to download and apply
v Before you install optional hardware devices, make sure that the server is
v Observe good housekeeping in the area where you are working. Place removed
v If you must start the server while the cover is removed, make sure that no one is
v Do not attempt to lift an object that you think is too heavy for you. If you have to
© Copyright IBM Corp. 2006
responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for
the installation.
request IBM to install it, at no additional charge, under the type of warranty
service that is designated for your server.
technicians.
with the power on" on page 119, and the guidelines in "Handling static-sensitive
devices" on page 119. This information will help you work safely.
the most recent firmware updates. This step will help to ensure that any known
issues are addressed and that your server is ready to function at maximum levels
of performance. To download firmware updates for your server, go to
http://www.ibm.com/servers/eserver/support/xseries/index.html, select System
x3950 or System x3950 E from the Hardware list, click Go, and then click the
Download tab. For additional information about tools for updating, managing,
and deploying firmware, see the System x and xSeries Tools Center at
http://publib.boulder.ibm.com/infocenter/toolsctr/v1r0/index.jsp.
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 Chapter 2,
"Diagnostics," on page 13 for diagnostic information.
covers and other parts in a safe place.
near the server and that no tools or other objects have been left inside the
server.
lift a heavy object, observe the following precautions:
– Make sure that you can stand safely without slipping.
– Distribute the weight of the object equally between your feet.
– Use a slow lifting force. Never move suddenly or twist when you lift a heavy
object.
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