Operation Manual

Security functions
Trusted P latform Module (Intel® PTT, Platform
Trust Technology) (device de
pendent)
TPMTrustedP la tformModule
TPM can be enabled and disabled in the BIOS Setup. The requirement for this is that you have
assigned at least the supervisor password (see "
Secur ity functions", Page 55).
Enabling TPM
• Requirement: You have set a supervisor password, see "Security functions", Page 55.
► C all up the BIOS Setup and select the Security menu.
► Mark the TPM Config uratio n field and press the Enter key.
► Select Enabled to activate the Intel® PTT.
► Select the Exit Saving Changes option in the Exit menu.
► Press the Enter k ey and select Ye s .

The Tablet PC restarts and the Intel® PTT is switched on after the reboot.
Once you have activated the Intel® PTT, you can clear TPM from the operating system. By
clearing TPM, all secret keys (e.g., S RK - Storage Root Keys, AIK - Attestation Identity Keys
etc.) genera ted by the operating system or applications are deleted. Note that you will then no
longer be able to a ccess the data you have encrypted with the keys based on TPM.
Disabling TPM
• Requirement: You have set a supervisor password, see "Security functions", Page 55.
► Call up the BIO
S Setup and select the Security menu.
► Mark the TPM Config uratio n field and press the Enter key.
► Select Disab
led to deactivate the Intel® PTT.
► From the Exit menu, choose t he option Exit Saving Changes.
► Press the En
ter key and select Yes.

The Tablet PC is rebooted and the Intel® PTT is switched off after the reboot.
60 Fujitsu