Security functions
Trusted Platform M odule - TPM (device dependent)
TPMTrustedP la tformModule
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
HDD password (see "
Securit y functions", Page 61).
Enabling TPM
• Requirement: You have assigned a supervisor HDD password (see "Security fun ctions", Page 61).
► Call BIOS Setup and sele
ct the Security menu.
► Mark the TPM Security Chip Settin g field and press the Enter key.
► Select the entry Enabl
ed to enable the TPM
Once you have enabled the TPM the Clear Security Chip menu item appears.
You ca n clear the hold
er in the TPM using Cl ear Security Chip.WithEnabled,
all secret keys (e.g
. SRK - Storage Root Keys, AIK - Attestation Identity Keys
etc.) generated by
applications are deleted.
Take note that you c
an then no longer access the data you ha ve
encrypted on the h
older-based keys!
► Select the Exit Sa
ving Changes option in the Exit menu.
► Press th e Enter key and select Yes.
The Tablet PC res
tarts and the TPM is enabled after the reboot.
Disabling TPM
• Requirement: You have assigned a supervisor HDD password (see "Security fun ctions", Page 61).
► Call BIOS Setup and select the Security menu.
► Mark the TPM Security Chip Settin g field and press the Enter key.
► Select the entry Disabled to disable the TPM.
► From the Exit menu, cho ose the option Exit Saving Changes.
► Press th e Enter key and select Yes.
The Tablet PC is rebooted and the TPM is disab led.
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