CHAPTER 6Installing and removing system componentsl Safety instructions................................................................................................................ 84l Before working inside your system........................................................................................ 84l After working inside your system.......................................................................................... 84l Recommended tools..............................................................................................................85l Front bezel (optional)............................................................................................................85l System cover........................................................................................................................ 87l Inside the system.................................................................................................................. 89l Cooling shroud...................................................................................................................... 92l System memory.................................................................................................................... 94l Hard drives.......................................................................................................................... 105l Optical drive (optional).........................................................................................................118l Cooling fans......................................................................................................................... 123l Internal USB memory key (optional).................................................................................... 125l Expansion cards and expansion card riser............................................................................ 127l iDRAC port card (optional).................................................................................................. 132l SD vFlash card (optional).....................................................................................................136l Internal dual SD module (optional)....................................................................................... 137l Integrated storage controller card........................................................................................ 141l Processors and heat sinks....................................................................................................144l Power supply units...............................................................................................................153l System battery.................................................................................................................... 160l Hard-drive backplane........................................................................................................... 162l Control panel........................................................................................................................ 171l Power interposer board........................................................................................................ 181l System board.......................................................................................................................183l Trusted Platform Module..................................................................................................... 188Dell PowerEdge R430 Owner's Manual 83