HP Server rp8420 HP 9000 rp8420 Server - User Service Guide, Fifth Edition - Page 7

Power Control...94 Server Management Commands...94 Firmware Updating...95 Instructions...96 Possible Error Messages...97 PDC Code FRU Reporting...98 Verifying Cell Board Insertion...99 Cell Board Extraction Levers...99 6 Removal and Replacement 101 HP 9000 rp8420 server FRUs...101 Hot-Plug FRUs...101 Hot-Swap FRUs...101 Other FRUs...102 Safety and Environmental Considerations 102 Communications Interference ...102 Electrostatic Discharge ...103 Powering down Hardware Components and Powering on the Server 103 Powering Off Hardware Components 103 Powering On the System...104 Removing and Replacing Covers...104 Removing the Top Cover...105 Replacing the Top Cover...106 Removing the Side Cover...107 Replacing the Side Cover...107 Removing the Front Bezel...108 Replacing the Front Bezel...108 Removing and Replacing the Front Panel Board 108 Removing the Front Panel Board 109 Replacing the Front Panel Board 110 Removing and Replacing the Front Smart Fan Assembly 111 Preliminary Procedures...111 Removing the Front Smart Fan Assembly 112 Replacing the Front Smart Fan Assembly 112 Removing and Replacing the Rear Smart Fan Assembly 112 Removing the Rear Smart Fan Assembly 113 Replacing the Rear Smart Fan Assembly 114 Removing and Replacing a Disk Drive 114 Removing the Disk Drive...115 Replacing the Disk Drive...115 Removing and Replacing a Removable Media Drive 115 Removing the Removable Media Drive 116 Replacing the Removable Media Drive 116 Removing and Replacing a Cell Board 117 Removing the Cell Board...118 Replacing a Cell Board...120 Cell Break-Fix Upgrade and Downgrade Procedure 121 Upgrading Using the FW Command 121 Upgrading Using the DFW Command 129 Downgrading Using the DFW Command 131 Installing the VRM Cover (AB388-00002) and Door Opener (AB388-00003 134 Removing and Replacing DIMMs...136 Preliminary Procedures...136 Removing a DIMM...138 Table of Contents 7