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Dell Latitude 5420 Rugged Service Manual

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Trusted Platform Module

Trusted Platform Module (TPM) is a dedicated cryptoprocessor designed to secure hardware by integrating cryptographic keys into devices. A software can use a Trusted Platform Module to authenticate hardware devices. As each TPM chip has a unique and secret RSA key burned in as it is produced, it can perform the platform authentication.

NOTE Trusted Platform Module (TPM) is part of the system board. In an event of system board replacement, the encryption needs to be suspended in the OS and re-enabled on new system board's BIOS prior to resuming the encryption.
CAUTION Attempt to replace the system board without prior suspending the encryption, will cause operating system corruption and may eventually lead to No-Boot scenario.

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