4.3 Disconnecting the server from the mains . . . . . . . . . . . 49
4.4 Getting access to the component . . . . . . . . . . . . . . . 49
4.4.1 Extending the server out of the rack . . . . . . . . . . . . . . . 50
4.4.2 Removing the server from the rack . . . . . . . . . . . . . . . . 51
4.4.3 Removing the top covers . . . . . . . . . . . . . . . . . . . . . 53
4.5 Reassembling . . . . . . . . . . . . . . . . . . . . . . . . . . 54
4.5.1 Installing the top covers . . . . . . . . . . . . . . . . . . . . . . 54
4.5.2 Mounting the server in the rack . . . . . . . . . . . . . . . . . . 57
4.5.3 Sliding the server into the rack . . . . . . . . . . . . . . . . . . 59
4.6 Connecting the server to the mains . . . . . . . . . . . . . . 60
4.7 Switching on the server . . . . . . . . . . . . . . . . . . . . . 61
4.8 Handling riser modules . . . . . . . . . . . . . . . . . . . . . 62
4.8.1 Removing a riser module . . . . . . . . . . . . . . . . . . . . . 62
4.8.2 Installing a riser module . . . . . . . . . . . . . . . . . . . . . . 63
4.9 Handling fan sponges . . . . . . . . . . . . . . . . . . . . . . 65
4.9.1 Removing the fan sponges . . . . . . . . . . . . . . . . . . . . 66
4.9.2 Installing the fan sponges . . . . . . . . . . . . . . . . . . . . . 67
4.10 Handling CPU air guides . . . . . . . . . . . . . . . . . . . . 68
4.10.1 Removing the CPU air guides . . . . . . . . . . . . . . . . . . 68
4.10.2 Installing the CPU air guides . . . . . . . . . . . . . . . . . . . 69
5 Basic software procedures . . . . . . . . . . . . . . . . . . . 71
5.1 Starting the maintenance task . . . . . . . . . . . . . . . . . 71
5.1.1 Suspending BitLocker functionality . . . . . . . . . . . . . . . . 71
5.1.2 Disabling SVOM boot watchdog functionality . . . . . . . . . . . 72
5.1.2.1 Viewing boot watchdog settings . . . . . . . . . . . . . . . . 72
5.1.2.2 Configuring boot watchdog settings . . . . . . . . . . . . . . 73
5.1.3 Removing backup and optical disk media . . . . . . . . . . . . 74
5.1.4 Verifying and configuring the backup software solution . . . . . . 75
5.1.5 Note on server maintenance in a Multipath I/O environment . . . 75
5.1.6 Switching on the ID indicator . . . . . . . . . . . . . . . . . . . 78
5.2 Completing the maintenance task . . . . . . . . . . . . . . . 79
5.2.1 Updating or recovering the system board BIOS and iRMC . . . . 79
5.2.1.1 Updating or recovering the system board BIOS . . . . . . . . 79
5.2.1.2 Updating or recovering the iRMC . . . . . . . . . . . . . . . 79
5.2.2 Verifying system information backup / restore . . . . . . . . . . 81
5.2.3 Updating RAID controller firmware . . . . . . . . . . . . . . . . 82
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