Contents 7Memory Sparing Support. . . . . . . . . . . . . . 128Installing Memory Modules . . . . . . . . . . . . 130Removing Memory Modules . . . . . . . . . . . . 132Processors . . . . . . . . . . . . . . . . . . . . . . . . 133Removing a Processor . . . . . . . . . . . . . . . 133Installing a Processor . . . . . . . . . . . . . . . 136System Battery . . . . . . . . . . . . . . . . . . . . . . 138Replacing the System Battery . . . . . . . . . . . 138Chassis Intrusion Switch . . . . . . . . . . . . . . . . 141Removing the Chassis Intrusion Switch . . . . . . 141Installing the Chassis Intrusion Switch . . . . . . 142Power Supply Distribution Board . . . . . . . . . . . . 143Removing the Power Supply DistributionBoard . . . . . . . . . . . . . . . . . . . . . . . . 143Installing the Power Supply DistributionBoard . . . . . . . . . . . . . . . . . . . . . . . . 147SAS/SATA Backplane . . . . . . . . . . . . . . . . . . 148Removing the SAS/SATA Backplane . . . . . . . . 148Installing the SAS/SATA Backplane . . . . . . . . 150Control Panel (Service-only Procedure) . . . . . . . . 151Removing the Control Panel . . . . . . . . . . . . 151Installing the Control Panel. . . . . . . . . . . . . 153System Board (Service Only Procedure) . . . . . . . . 153Removing the System Board . . . . . . . . . . . . 153Installing the System Board . . . . . . . . . . . . 156