Upgrade and Maintenance Manual TX2550 M4
5.2.3 Updating expansion card firmware . . . . . . . . . . . . . . . 113
5.2.4 Enabling Option ROM scan . . . . . . . . . . . . . . . . . . . 115
5.2.5 Reconfiguring the backup software solution . . . . . . . . . . 116
5.2.6 Resetting the boot retry counter . . . . . . . . . . . . . . . . 116
5.2.6.1 Viewing the boot retry counter . . . . . . . . . . . . . . . 116
5.2.6.2 Resetting the boot retry counter . . . . . . . . . . . . . . . 117
5.2.7 Resetting the error status after replacing memory modules
or CPUs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
5.2.7.1 Memory modules . . . . . . . . . . . . . . . . . . . . . . 118
5.2.7.2 CPUs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
5.2.8 Enabling SVOM boot watchdog functionality . . . . . . . . . . 121
5.2.9 Enabling replaced components in the BIOS . . . . . . . . . . 121
5.2.10 Verifying the memory mode . . . . . . . . . . . . . . . . . . . 122
5.2.11 Verifying the system time settings . . . . . . . . . . . . . . . 123
5.2.12 Viewing and clearing the System Event Log (SEL) . . . . . . . 123
5.2.12.1 Viewing the SEL . . . . . . . . . . . . . . . . . . . . . . . 123
5.2.12.2 Clearing the SEL . . . . . . . . . . . . . . . . . . . . . . 125
5.2.13 Updating the NIC configuration file in a Linux and VMware
environment . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
5.2.14 Resuming BitLocker functionality . . . . . . . . . . . . . . . . 127
5.2.15 Performing a RAID array rebuild . . . . . . . . . . . . . . . . 128
5.2.16 Looking up changed MAC/WWN addresses . . . . . . . . . . 129
5.2.16.1 Looking up MAC addresses . . . . . . . . . . . . . . . . . 129
5.2.16.2 Looking up WWN addresses . . . . . . . . . . . . . . . . 129
5.2.17 Using the Chassis ID Prom Tool . . . . . . . . . . . . . . . . 130
5.2.18 Configuring LAN teaming . . . . . . . . . . . . . . . . . . . . 131
5.2.18.1 After replacing/upgrading LAN controllers . . . . . . . . . 131
5.2.18.2 After replacing a system board . . . . . . . . . . . . . . . 132
5.2.19 Switching off the ID indicator . . . . . . . . . . . . . . . . . . 132
5.2.20 Performing a fan test . . . . . . . . . . . . . . . . . . . . . . 133
5.2.21 Specifying the chassis model . . . . . . . . . . . . . . . . . . 134
6 Power supply unit (PSU) . . . . . . . . . . . . . . . . . . . 137
6.1 Basic information . . . . . . . . . . . . . . . . . . . . . . . 137
6.1.1 PSU configurations . . . . . . . . . . . . . . . . . . . . . . . 138
6.1.2 Assembly rules . . . . . . . . . . . . . . . . . . . . . . . . . 138
6.2 Redundant power supply . . . . . . . . . . . . . . . . . . . 139
6.2.1 Installing a PSU . . . . . . . . . . . . . . . . . . . . . . . . . 140
6.2.1.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 140
6.2.1.2 Removing the dummy cover . . . . . . . . . . . . . . . . 140