6 ContentsCooling Shroud . . . . . . . . . . . . . . . . . . . . . . 92Removing the Cooling Shroud . . . . . . . . . . . 92Installing the Cooling Shroud . . . . . . . . . . . . 93Cooling Fans . . . . . . . . . . . . . . . . . . . . . . . 93Removing a Cooling-Fan Module . . . . . . . . . . 94Installing a Cooling-Fan Module . . . . . . . . . . 95Internal SD Module . . . . . . . . . . . . . . . . . . . 96Installing the Internal SD Module. . . . . . . . . . 96Removing the Internal SD Module . . . . . . . . . 98Internal SD Flash Card . . . . . . . . . . . . . . . . . . 98Installing an Internal SD Flash Card . . . . . . . . 98Removing an Internal SD Flash Card . . . . . . . . 99Internal USB Module. . . . . . . . . . . . . . . . . . . 99Removing the Internal USB Module . . . . . . . . 99Installing the Internal USB Module . . . . . . . . 101Internal USB Memory Key . . . . . . . . . . . . . . . 102Integrated Dell Remote Access Controller 6 (iDRAC6)Enterprise Card (Optional) . . . . . . . . . . . . . . . 103Installing the iDRAC6 Enterprise Card . . . . . . 103Removing the iDRAC6 Enterprise Card . . . . . . 105VFlash Media (Optional) . . . . . . . . . . . . . . . . 106NIC Hardware Key . . . . . . . . . . . . . . . . . . . 106Optical and Tape Drives . . . . . . . . . . . . . . . . 107Removing an Optical or Tape Drive . . . . . . . . 107Installing an Optical or Tape Drive . . . . . . . . 109Integrated Storage Controller Card . . . . . . . . . . 112