Dell PowerEdge T550 EMC Installation and Service Manual - Page 164
System board, Removing the system board
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Figure 175. Installing the power interposer board Next steps 1. Install the PSUs. 2. Install the air shroud. 3. Follow the procedure listed in After working inside your system. System board This is a service technician replaceable part only. Removing the system board Prerequisites CAUTION: If you are using the Trusted Platform Module (TPM) with an encryption key, you may be prompted to create a recovery key during program or System Setup. Be sure to create and safely store this recovery key. If you replace this system board, you must supply the recovery key when you restart your system or program before you can access the encrypted data on your hard drives. CAUTION: Do not attempt to remove the TPM plug-in module from the system board. Once the TPM plug-in module is installed, it is cryptographically bound to that specific system board. Any attempt to remove an installed TPM plug-in module breaks the cryptographic binding, and it cannot be reinstalled or installed on another system board. 1. Follow the safety guidelines listed in Safety instructions. 2. Follow the procedure that is listed in Before working inside your system. 3. Remove the following: a. Air shroud b. Cooling fan cage c. Expansion cards, if installed d. GPU card, if installed e. GPU card holder, if installed f. IDSDM module, if installed g. Internal USB module, if installed h. OCP card, if installed 164 Installing and removing system components
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