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Chapter 5. Removing and replacing components
There are four types of replaceable components.
• Consumables: Purchase and replacement of consumables (components, such as batteries and printer
cartridges, that have depleting life) is your responsibility. If IBM acquires or installs a consumable
component at your request, you will be charged for the service.
• Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your responsibility. If IBM
installs a Tier 1 CRU at your request, you will be charged for the installation.
• Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or request IBM to install it, at no
additional charge, under the type of warranty service that is designated for your server.
• Field replaceable unit (FRU): FRUs must be installed only by trained service technicians.
See
Chapter 4 "Parts listing, Lenovo System x3550 M3 Type 4254 and 7944" on page 403
whether a component is a Tier 1 CRU, Tier 2 CRU, or FRU.
For information about the terms of the warranty, see the Warranty Information document that comes with the
server.
For more information about getting service and assistance, see
assistance" on page
535.
Installation guidelines
Use this information for installation.
Attention: Static electricity that is released to internal server components when the server is powered-on
might cause the system 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 removing or installing a hot-swap
device.
Before you install optional devices, read the following information:
• Read the safety information in
power on" on page
419, and
you work safely.
• Make sure that the devices that you are installing are supported. For a list of supported optional devices
for the server, see
http://www.ibm.com/systems/info/x86servers/serverproven/compat/us/
• When you install your new server, take the opportunity to download and apply 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
www.ibm.com/support/fixcentral/
Important: Some cluster solutions require specific code levels or coordinated code updates. If the device
is part of a cluster solution, verify that the latest level of code is supported for the cluster solution before
you update the code.
For additional information about tools for updating, managing, and deploying firmware, see the
ToolsCenter for System x and BladeCenter at
• 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
© Copyright Lenovo 2014, 2023
"Safety" on page
v, the guidelines in
"Handling static-sensitive devices" on page
.
http://publib.boulder.ibm.com/infocenter/toolsctr/v1r0/
Appendix A "Getting help and technical
"Working inside the server with the
419. This information will help
to determine
.
http://
.
417
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