Fujitsu LIFEBOOK T725, Руководство по эксплуатации

Страница: 79 / 138

Security functions
Trusted Platform Module - TPM (device dependent)
TPM Trusted PlatformModule
To use the TPM, you must enable the TPM in the BIOS-Setup before the software is
installed. The requirement for this is that you have assigned at least the supervisor
password (see
"Security functions", Page 70 ).
Enabling TPM
• Requirement: You have assigned a supervisor password (see "Security functions", Page 70 ).
► Call BIOS Setup and select the Security menu.
► Mark the TPM Security Chip Setting fi eld and press the Enter key.
► Select the entry Enabled to enable the TPM
Once you have enabled the TPM the Clear Security Chip menu item appears.
You can clear the holder in the TPM using Clear Security Chip . With Enabled ,
all secret keys (e.g. SRK - Storage Root Keys, AIK - Attestation Identity Keys
etc.) generated by applications are deleted.
Take note that you can then no longer access the data you have
encrypted on the holder-based keys!
► Select the Exit Saving Changes option in the Exit menu.
► Press the Enter key and select Yes .
The notebook restarts and the TPM is switched on after the reboot.
Disabling TPM
• Requirement: You have assigned a supervisor password (see "Security functions", Page 70 ).
► Call BIOS Setup and select the
Security
menu.
► Mark the TPM Security Chip Setting fi eld and press the Enter key.
► Select the entry Disabled to disable the TPM.
► From the Exit menu, choose the option Exit Saving Changes .
► Press the Enter key and select Yes .
The notebook will now reboot with TPM deactivated.
Fujitsu 77