Figure 104. Installing system boardNext steps1 Install the Trusted Platform Module (TPM).NOTE: The TPM plug-in module is attached to the system board and cannot be removed. A replacement TPM plug-inmodule will be provided for all system board replacements where a TPM plug-in module was installed.2 Replace the following:a Integrated storage controller cardb Internal USB key (if applicable)c USB 3.0 module (if applicable)d iDSDM/vFlash carde All expansion card risersf Processor and heat sink moduleg Processor and DIMM blankh Memory modules and memory module blanksi Network daughter cardj Cooling fan assemblyk Air shroudl Power supply unit(s)3 Reconnect all cables to the system board.NOTE: Ensure that the cables inside the system are routed along the chassis wall and secured using the cable securingbracket.4 Follow the procedure listed in After working inside your system.5 Ensure that you:a Use the Easy Restore feature to restore the Service Tag. For more information, see the Easy restore section.b If the Service Tag is not backed up in the backup flash device, enter the Service Tag manually. For more information, see theEntering the Service Tag section.c Update the BIOS and iDRAC versions.d Re-enable the Trusted Platform Module (TPM). For more information, see the Re-enabling the Trusted Platform Module (TPM)section.6 Import your new or existing iDRAC Enterprise license.For more information, see Integrated Dell Remote Access Controller User's Guide, at Dell.com/esmmanuals.156 Dell EMC PowerEdge R740 Installation and Service ManualInstalling and removing system components