Dell PowerEdge R520 Technical Manual page 14

Security feature
TPM
Power-off security
Intrusion alert
Secure mode
14 PowerEdge R520 Technical Guide
Description
The Trusted Platform Module (TPM) is used to generate/store keys,
protect/authenticate passwords and create/store digital certificates. It also
supports the Intel Xeon TXT functionality. TPM can also be used to enable the
BitLocker™ hard drive encryption feature in Windows Server 2008. TPM 1.2 is
supported. No TPM version is available for China or Russia.
BIOS has the ability to disable the power button function.
An internal switch is used to detect chassis intrusion.
BIOS has the ability to enter a secure boot mode through system setup. This
mode includes the option to lock out the power and NMI switches on the
control panel or set up a system password.