Chapter 1. IntroductionThis Problem Determination and Service Guide contains information to help yousolve problems that might occur in your IBM ® System x3250 Type 4364 or 4365server. It describes the diagnostic tools that come with the server, error codes andsuggested actions, and instructions for replacing failing components.Replaceable components are of three types:v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is yourresponsibility. If IBM installs a Tier 1 CRU at your request, you will be charged forthe installation.v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself orrequest IBM to install it, at no additional charge, under the type of warrantyservice that is designated for your server.v Field replaceable unit (FRU): FRUs must be installed only by trained servicetechnicians.For information about the terms of the warranty and getting service and assistance,see the Warranty and Support Information document.Related documentationIn addition to this document, the following documentation also comes with theserver:v Installation GuideThis printed document contains instructions for setting up the server and basicinstructions for installing some optional devices.v User’s GuideThis document is in Portable Document Format (PDF) on the IBM System x ™Documentation CD. It provides general information about the server, includinginformation about features, and how to configure the server. It also containsdetailed instructions for installing, removing, and connecting optional devices thatthe server supports.v Rack Installation InstructionsThis printed document contains instructions for installing the server in a rack.v Safety InformationThis document is in PDF on the IBM System x Documentation CD. It containstranslated caution and danger statements. Each caution and danger statementthat appears in the documentation has a number that you can use to locate thecorresponding statement in your language in the Safety Information document.v Warranty and Support InformationThis document is in PDF on the System x Documentation CD. It containsinformation about the terms of the warranty and getting service and assistance.Depending on the server model, additional documentation might be included on theIBM System x Documentation CD.The System x and xSeries ® Tools Center is an online information center thatcontains information about tools for updating, managing, and deploying firmware,device drivers, and operating systems. The System x and xSeries Tools Center is athttp://publib.boulder.ibm.com/infocenter/toolsctr/v1r0/index.jsp.© Copyright IBM Corp. 2006 1