6 ContentsExpansion Card . . . . . . . . . . . . . . . . . . . . . . 86Expansion Card Installation Guidelines. . . . . . . 86Removing an Expansion Card. . . . . . . . . . . . 88Installing an Expansion Card . . . . . . . . . . . . 89Expansion-Card Riser . . . . . . . . . . . . . . . . . . 91Removing an Expansion-Card Riser . . . . . . . . 91Installing an Expansion-Card Riser . . . . . . . . . 93Cooling Shroud . . . . . . . . . . . . . . . . . . . . . . 93Removing the Cooling Shroud . . . . . . . . . . . 93Installing the Cooling Shroud . . . . . . . . . . . . 95Integrated Storage Controller Card . . . . . . . . . . . 95Removing the Integrated StorageController Card . . . . . . . . . . . . . . . . . . . 95Installing the Integrated StorageController Card . . . . . . . . . . . . . . . . . . . 97System Memory . . . . . . . . . . . . . . . . . . . . . 97General Memory ModuleInstallation Guidelines . . . . . . . . . . . . . . . 98Mode-Specific Guidelines . . . . . . . . . . . . . 98Installing Memory Modules. . . . . . . . . . . . 101Removing Memory Modules . . . . . . . . . . . 103Cooling Fans . . . . . . . . . . . . . . . . . . . . . . 104Removing a Cooling Fan . . . . . . . . . . . . . 104Installing a Cooling Fan . . . . . . . . . . . . . . 105iDRAC6 Express Card . . . . . . . . . . . . . . . . . 106Installing an iDRAC6 Express Card . . . . . . . . 106Removing an iDRAC6 Express Card. . . . . . . . 108iDRAC6 Enterprise Card (Optional) . . . . . . . . . . 109Installing an iDRAC6 Enterprise Card. . . . . . . 109