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For more information on initializing the TPM, see http://technet.microsoft.com/en-us/library/
cc753140.aspx.
The TPM Status changes to Enabled, Activated.
Re-enabling the TPM for TXT users
1. While booting your system, press <F2> to enter System Setup.
2. In the System Setup Main Menu, click System BIOS → System Security Settings.
3. In the TPM Security option, select On with Pre-boot Measurements.
4. In the TPM Command option, select Activate.
5. Save the settings.
6. Restart your system.
7. Enter System Setup again.
8. In the System Setup Main Menu, click System BIOS → System Security Settings.
9. In the Intel TXT option, select On.
Power interposer board and power distribution board
Removing the power interposer board
Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
1. Ensure that you read the Safety instructions.
2. Follow the procedure listed in Before working inside your system.
CAUTION: To prevent damage to the power interposer board (PIB), you must remove the
power supply module(s) from the system before removing the power interposer board or
power distribution board (PDB).
3. Remove the power supply module(s) from the back of the chassis.
4. Remove the PCIe card holders.
5. Remove the cooling shroud.
6. If applicable, remove the cooling fan assembly.
7. Disconnect the power cables to the system board and the hard-drive backplane.
8. Remove the system board. For more information, see Removing the system board.
Steps
1. Pull the release pin and detach the PIB from the PDB.
2. Slide and lift the PIB up until the grooves on the PIB disengage from the pins on the chassis.
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