Installing a GPU card...................................................................................................................104iDRAC ports card (optional).............................................................................................................. 105Removing the iDRAC ports card.................................................................................................105Installing the iDRAC ports card...................................................................................................106Replacing an SD vFlash media card............................................................................................107Internal dual SD module................................................................................................................... 108Removing the internal dual SD module .................................................................................... 108Installing the internal dual SD module .......................................................................................110Internal SD card................................................................................................................................. 110Removing an internal SD card.....................................................................................................110Installing an internal SD card....................................................................................................... 111Processors.......................................................................................................................................... 111Removing a processor.................................................................................................................112Installing a processor...................................................................................................................116Redundant AC power supply............................................................................................................ 118Hot Spare feature.........................................................................................................................118Removing a redundant AC power supply...................................................................................119Installing a redundant AC power supply ................................................................................... 120Removing the power supply unit blank...................................................................................... 121Installing the power supply unit blank........................................................................................122Replacing the power supply divider............................................................................................122Non-redundant AC power supply.................................................................................................... 123Removing a non-redundant AC power supply.......................................................................... 124Installing a non-redundant AC power supply............................................................................ 125Power interposer board.................................................................................................................... 126Removing the power interposer board...................................................................................... 126Installing the power interposer board........................................................................................ 127System battery...................................................................................................................................128Replacing the system battery......................................................................................................128Control panel assembly.................................................................................................................... 129Removing the control panel assembly.......................................................................................129Installing the control panel assembly......................................................................................... 131Removing the control panel assembly cover.............................................................................132Installing the control panel assembly cover...............................................................................133Removing the control-panel board............................................................................................134Installing the control-panel board..............................................................................................135Removing the LCD module........................................................................................................ 136Installing the LCD module...........................................................................................................137Removing the VGA module........................................................................................................ 138Installing the VGA module.......................................................................................................... 139System board.....................................................................................................................................139Removing the system board....................................................................................................... 139