iDRAC port card (optional)................................................................................................................129Removing the optional iDRAC port card....................................................................................129Installing the optional iDRAC port card...................................................................................... 131SD vFlash card (optional)...................................................................................................................132Removing the optional SD vFlash card.......................................................................................132Installing an optional SD vFlash card.......................................................................................... 133Internal dual SD module (optional).................................................................................................. 134Removing an internal SD card.................................................................................................... 134Installing an internal SD card...................................................................................................... 135Removing the optional internal dual SD module....................................................................... 137Installing the optional internal dual SD module ........................................................................138Integrated storage controller card................................................................................................... 139Removing the integrated storage controller card..................................................................... 139Installing the integrated storage controller card........................................................................141Processors and heat sinks.................................................................................................................142Removing a heat sink.................................................................................................................. 143Removing a processor................................................................................................................ 144Installing a processor...................................................................................................................147Installing a heat sink.................................................................................................................... 149Power supply units.............................................................................................................................151Hot spare feature.........................................................................................................................152Removing a redundant power supply unit................................................................................. 152Installing a redundant power supply unit................................................................................... 153Removing a cabled power supply unit....................................................................................... 154Installing a cabled power supply unit......................................................................................... 156Removing the power supply unit blank...................................................................................... 157Installing the power supply unit blank........................................................................................158System battery...................................................................................................................................159Replacing the system battery......................................................................................................159Hard-drive backplane........................................................................................................................161Removing the hard drive backplane........................................................................................... 161Installing the hard drive backplane.............................................................................................168Control panel..................................................................................................................................... 171Removing the control panel........................................................................................................171Installing the control panel......................................................................................................... 173Removing the control panel module..........................................................................................175Installing the control panel module............................................................................................178Power interposer board.................................................................................................................... 181Removing the power interposer board.......................................................................................181Installing the power interposer board........................................................................................ 183System board.....................................................................................................................................184Removing the system board.......................................................................................................1846