5.2 Completing the maintenance task . . . . . . . . . . . . . . . 76
5.2.1 Updating or recovering the system board BIOS and iRMC . . . 76
5.2.1.1 Updating or recovering the system board BIOS . . . . . . . 77
5.2.1.2 Updating or recovering the iRMC . . . . . . . . . . . . . . 77
5.2.2 Verifying system information backup / restore . . . . . . . . . . 79
5.2.3 Updating RAID controller firmware . . . . . . . . . . . . . . . 80
5.2.4 Enabling Option ROM scan . . . . . . . . . . . . . . . . . . . 81
5.2.5 Verifying and configuring the backup software solution . . . . . 81
5.2.6 Resetting the boot retry counter . . . . . . . . . . . . . . . . . 82
5.2.6.1 Viewing the boot retry counter . . . . . . . . . . . . . . . . 82
5.2.6.2 Resetting the boot retry counter . . . . . . . . . . . . . . . 83
5.2.7 Enabling SVOM boot watchdog functionality . . . . . . . . . . 84
5.2.8 Enabling replaced components in the system BIOS . . . . . . . 85
5.2.9 Verifying the memory mode . . . . . . . . . . . . . . . . . . . 85
5.2.10 Verifying the system time settings . . . . . . . . . . . . . . . . 86
5.2.11 Viewing and clearing the System Event Log (SEL) . . . . . . . 87
5.2.11.1 Viewing the SEL . . . . . . . . . . . . . . . . . . . . . . . 87
5.2.11.2 Clearing the SEL . . . . . . . . . . . . . . . . . . . . . . . 88
5.2.12 Updating the NIC configuration file in a Linux environment . . . 88
5.2.13 Enabling BitLocker functionality . . . . . . . . . . . . . . . . . 90
5.2.14 Performing a RAID array rebuild . . . . . . . . . . . . . . . . . 90
5.2.15 Looking up changed MAC / WWN addresses . . . . . . . . . . 91
5.2.15.1 Looking up MAC addresses . . . . . . . . . . . . . . . . . 91
5.2.15.2 Looking up WWN addresses . . . . . . . . . . . . . . . . . 92
5.2.16 Using the Chassis ID Prom Tool . . . . . . . . . . . . . . . . . 93
5.2.17 Configuring LAN teaming . . . . . . . . . . . . . . . . . . . . 93
5.2.17.1 After replacing / upgrading LAN controllers . . . . . . . . . 94
5.2.17.2 After replacing the system board . . . . . . . . . . . . . . . 94
5.2.18 Switching off the ID indicator . . . . . . . . . . . . . . . . . . 94
5.2.19 Specifying the chassis model . . . . . . . . . . . . . . . . . . 95
5.2.20 Performing a fan test after replacing a defective fan . . . . . . 96
6 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . 99
6.1 Basic information . . . . . . . . . . . . . . . . . . . . . . . 99
6.2 Standard power supply . . . . . . . . . . . . . . . . . . . . 100
6.2.1 Replacing the standard power supply unit . . . . . . . . . . . . 100
6.2.1.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 100
6.2.1.2 Removing the defective standard power supply unit . . . . . 101
6.2.1.3 Installing the new standard power supply unit . . . . . . . . 104
6.2.1.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 106
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