v Environmental Notices and User GuideThis document is in PDF format on the IBM System x Documentation CD. Itcontains translated environmental notices.Depending on the server model, additional documentation might be included on theIBM System x Documentation CD.The System x and BladeCenter 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 BladeCenter Tools Centeris at http://publib.boulder.ibm.com/infocenter/toolsctr/v1r0/index.jsp.The server might have features that are not described in the documentation thatcomes with the server. The documentation might be updated occasionally to includeinformation about those features, or technical updates might be available to provideadditional information that is not included in the server documentation. Theseupdates are available from the IBM Web site. To check for updated documentationand technical updates, complete the following steps.Note: Changes are made periodically to the IBM Web site. The actual proceduremight vary slightly from what is described in this document.1. Go to http://www.ibm.com/systems/support/.2. Under Product support, click System x.3. Under Popular links, click Publications lookup.4. From the Product family menu, select System x3550 M3 and click Go.Notices and statements in this documentThe caution and danger statements that appear in this document are also in themultilingual Safety Information document, which is on the IBM System xDocumentation CD. Each statement is numbered for reference to the correspondingstatement in the Safety Information document.The following notices and statements are used in this document:v Note: These notices provide important tips, guidance, or advice.v Important: These notices provide information or advice that might help you avoidinconvenient or problem situations.v Attention: These notices indicate potential damage to programs, devices, ordata. An attention notice is placed just before the instruction or situation in whichdamage might occur.v Caution: These statements indicate situations that can be potentially hazardousto you. A caution statement is placed just before the description of a potentiallyhazardous procedure step or situation.v Danger: These statements indicate situations that can be potentially lethal orextremely hazardous to you. A danger statement is placed just before thedescription of a potentially lethal or extremely hazardous procedure step orsituation.6 IBM System x3550 M3 Types 4254 and 7944: Problem Determination and Service Guide