6 ContentsOptical and Tape Drives . . . . . . . . . . . . . . . . . 97Removing an Optical or Tape Drive . . . . . . . . . 97Installing an Optical or Tape Drive . . . . . . . . 101Expansion Cards . . . . . . . . . . . . . . . . . . . . 107Removing an Expansion Card. . . . . . . . . . . 107Installing an Expansion Card . . . . . . . . . . . 110SAS Controller Card . . . . . . . . . . . . . . . . . . 111Installing a SAS Controller Card . . . . . . . . . 111Removing a SAS Controller Card . . . . . . . . . 114RAID Battery . . . . . . . . . . . . . . . . . . . . . . 114Installing a RAID Battery . . . . . . . . . . . . . 115Removing a RAID Battery . . . . . . . . . . . . . 116Configuring the Boot Device . . . . . . . . . . . . . . 117RAC Card . . . . . . . . . . . . . . . . . . . . . . . . 117Removing the RAC Card . . . . . . . . . . . . . 117Installing a RAC Card . . . . . . . . . . . . . . . 119Internal USB Memory Key Connector . . . . . . . . . 120Installing the Optional Internal USBMemory Key. . . . . . . . . . . . . . . . . . . . 120Integrated TOE . . . . . . . . . . . . . . . . . . . . . 122Cooling Fans . . . . . . . . . . . . . . . . . . . . . . 122Removing the Expansion Card Fan . . . . . . . . 122Installing the Expansion Card Fan . . . . . . . . 124Removing the System Fan. . . . . . . . . . . . . 124Installing the System Fan . . . . . . . . . . . . . 126System Memory . . . . . . . . . . . . . . . . . . . . 127General Memory Module InstallationGuidelines . . . . . . . . . . . . . . . . . . . . . 127