Chapter 2. Introduction
This topic provides a brief introduction to the IBM System x3850 X5 and x3950 X5
Types 7145, 7146, 7143, and 7191.
This information supports your IBM System x3850 X5 and x3950 X5 Types 7145
and 7146 server and the optional IBM MAX5 for System x (MAX5) memory
expansion module. It describes the diagnostic tools that come with the server, error
codes and suggested actions, and instructions for replacing failing components in
the server and the MAX5 memory expansion module (see “Memory expansion
module features and specifications” on page 29 for more information on the
MAX5).
Important: The IBM MAX5 for System x memory expansion module is a Listed
Accessory for use with the IBM System x3850 X5 and x3950 X5 only.
If you are adding an optional memory expansion module or scaling to another
server, see the rack installation instructions that come with the cable option kit.
The most recent version of this document is available at http://www.ibm.com/
systems/support/.
Replaceable components are of four types:
v Consumable part: Purchase and replacement of consumable parts (components,
such as batteries and printer cartridges, that have depletable life) is your
responsibility. If IBM acquires or installs a consumable part at your request, you
will be charged for the service.
v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your
responsibility. If IBM installs a Tier 1 CRU at your request without a service
contract, you will be charged for the installation.
v 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.
v Field replaceable unit (FRU): FRUs must be installed only by trained service
technicians.
For information about the terms of the warranty and getting service and assistance,
see the Warranty Information document that came with your server. For information
about getting service and assistance, see “Getting help and information from the
World Wide Web” on page 1028.
© Copyright IBM Corp. 2014 5
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