Ggaseous contamination 6, 79getting help 75gigabit Ethernet controller, configuring 72guidelinesinstallation 25system reliability 27Hhandling static-sensitive devices 28hard disk drivebackplane connectors 22filler panel 38filler panel illustration 38installing 38status LED 12support 8hardware service and support 76heat output 6help, getting 75hot-swap and hot-plug deviceshard disk drive 38internal removable flash drive 44memory modules 46humidity 6II/O boardconnectors 24jumpers 24LEDs 25IBM Advanced Settings Utility program, overview 73IBM Support Line 76IBM Systems Director 7overview 10updating 73IMMoverview 7using 70important notices 4information LED 12input/output connectors 60installation guidelines 25installingadapters 34DVD drive 39hard disk drive 37hot-swap hard disk drive 38hot-swap power supply 36internal removable flash drive 44memory 52memory modules 52microprocessor 55optional devices 19QPI wrap card 43integratedfunctions 6network support 8integrated management module 7internal cablingDVD and USB 30DVD power 29fans 29operator information cables 29internal removable flash drive 44IP address, obtaining for Web interface 71Jjumpers, I/O board 24LLEDac power 15dc power 15errormemory 21, 51memory card 21, 51I/O board 25memory-card, illustration 21power-supply detected problems 15LEDs 11Ethernet activity 13Ethernet icon 12Ethernet-link status 13front of server 11information 12locator 13microprocessor board 23power-on 12power-supply 15QPI link 15rear 15rear of server 14system error 13LEDs and controlson light path diagnostics panel 13operator information panel 12light path diagnostics 8light path diagnostics panel, accessing 13limitations, single power supply 27local area network (LAN) 8locator LED 13Mmanagement module, integrated 7management, systems 7memory 8modules 46specifications 6memory cardadding 51card connector 21memory configurationhigh performance 48low cost and low power 48Memory ProteXion 884 IBM System x3850 X5 and x3950 X5 Types 7145 and 7146: Installation and User’s Guide