5.2.9 Verifying the memory mode . . . . . . . . . . . . . . . . . . . 76
5.2.10 Verifying the system time settings . . . . . . . . . . . . . . . . 77
5.2.11 Viewing and clearing the System Event Log (SEL) . . . . . . . 77
5.2.11.1 Viewing the SEL . . . . . . . . . . . . . . . . . . . . . . . 77
5.2.11.2 Clearing the SEL . . . . . . . . . . . . . . . . . . . . . . . 78
5.2.12 Updating the NIC configuration file in a Linux environment . . . 79
5.2.13 Resuming BitLocker functionality . . . . . . . . . . . . . . . . 80
5.2.14 Performing a RAID array rebuild . . . . . . . . . . . . . . . . . 81
5.2.15 Looking up changed MAC / WWN addresses . . . . . . . . . . 82
5.2.15.1 Looking up MAC addresses . . . . . . . . . . . . . . . . . 82
5.2.15.2 Looking up WWN addresses . . . . . . . . . . . . . . . . . 82
5.2.16 Using the Chassis ID Prom Tool . . . . . . . . . . . . . . . . . 83
5.2.17 Configuring LAN teaming . . . . . . . . . . . . . . . . . . . . 84
5.2.17.1 After replacing / upgrading LAN controllers . . . . . . . . . 85
5.2.17.2 After replacing the system board . . . . . . . . . . . . . . . 85
5.2.18 Switching off the ID indicator . . . . . . . . . . . . . . . . . . 85
5.2.19 Performing a fan test after replacing a defective fan . . . . . . 86
6 Power supply units . . . . . . . . . . . . . . . . . . . . . . . 89
6.1 Basic information . . . . . . . . . . . . . . . . . . . . . . . 89
6.1.1 Power supply unit configurations . . . . . . . . . . . . . . . . 90
6.1.2 Assembly rules . . . . . . . . . . . . . . . . . . . . . . . . . 90
6.1.3 PSU indicator . . . . . . . . . . . . . . . . . . . . . . . . . . 91
6.2 Installing hot-plug power supply units . . . . . . . . . . . . 91
6.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . 91
6.2.2 Removing the dummy cover . . . . . . . . . . . . . . . . . . . 92
6.2.3 Installing a hot-plug power supply unit . . . . . . . . . . . . . 93
6.2.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . . 93
6.3 Removing a hot-plug power supply unit . . . . . . . . . . . 94
6.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . 94
6.3.2 Removing a hot-plug power supply unit . . . . . . . . . . . . . 95
6.3.3 Installing a dummy cover . . . . . . . . . . . . . . . . . . . . 96
6.3.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . . 96
6.4 Replacing a hot-plug power supply unit . . . . . . . . . . . 97
6.4.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . 97
6.4.2 Removing the defective hot-plug power supply unit . . . . . . . 97
6.4.3 Installing the new hot-plug power supply unit . . . . . . . . . . 98
6.4.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . . 98