Sony VGN-SR490DDB - Manual (Page 74)

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Using Your VAIO Computer >
Using the TPM
Using the TPM
The Trusted Platform Module (TPM) is embedded in selected models only and provides your computer with basic security
functions. In combination with the TPM, you can encrypt and decrypt your data to strengthen computer security against
inappropriate access.
TPMs are defined by Trusted Computing Group (TCG) and also called security chips.
See the specifications to find out about the configuration of your computer.