Specifications

5. Grasp the failed TPM and pull it straight up off the system board.
See Figure 78 (page 141) for the location of the TPM on the system board.
Figure 78 TPM Location on the System Board
Replacing the TPM
To install the TPM:
IMPORTANT: You must be running the supported version of the HP-UX OS to use the TPM security
component.
The TPM replacement must be performed by an HP CE.
1. Install the new TPM on the system board by pushing it down onto the posts on the system
board.
For the location of the TPM on the system board, see Figure 78 (page 141). The TPM is keyed
to fit only one way.
2. Install the access panel.
See “Replacing the Server Blade Access Panel” (page 112).
3. Place the server blade back into the enclosure and power it up.
See “Replacing the Server Blade in the Enclosure” (page 111).
4. Synchronize the TPM state with the system board by doing the following:
Examine the current TPM state at EFI by using the secconfig command.
• If the TPM is enabled, disable it with the secconfig tpm on command.
• If the TPM is disabled, enable it with the secconfig tpm off command.
5. Reboot the server blade.
Ignore all TPM errors during boot
6. Set the TPM to the recorded state in step 1 of “Removing the TPM” (page 140).
• If the TPM is disabled, enable it with the secconfig tpm on command.
• If the TPM is enabled, disable it with the secconfig tpm off command.
7. Reboot the server blade.
Make sure there are no errors during boot.
Removing and Replacing the Trusted Platform Module 141