Dell R300 before power is turned off, operating system, the system performs an orderly shutdown

Table 2-8. System Security Screen Options (continued)

Option	Description
TPM Activation	Changes the operational state of the TPM.
	When set to Activate, the TPM is enabled and activated
	at default settings.
	When set to Deactivate, the TPM is disabled and
	deactivated.
	The No Change state initiates no action. The operational
	state of the TPM remains unchanged (all user settings for
	the TPM are preserved).
	NOTE: This field is read-only when TPM Security is set to
	Off.
TPM Clear	NOTICE: Clearing the TPM will cause loss of all
(No default)	encryption keys in the TPM. This option will prevent
	booting to the operating system and will result in loss
	of data if the encryption keys cannot be restored. Be
	sure to back up the TPM keys prior to enabling this
	option.
	When set to Yes, all the contents of the TPM are cleared.
	NOTE: This field is read-only when TPM Security is set to
	Off.
Power Button	Turns system's power off and on. On an ACPI-compliant
(Enabled default)	operating system, the system performs an orderly shutdown
	before power is turned off.
	The button is enabled in the System Setup program.
	When disabled, the button can only turn on system
	power.
	NOTE: You can still turn on the system by using the power
	button, even if the Power Button option is set to Disabled.
NMI Button	NOTICE: Use the NMI button only if directed to do so
(Disabled default)	by qualified support personnel or by the operating
	system's documentation. Pressing this button halts
	the operating system and displays a diagnostic
	screen.
	Sets the NMI feature to On or Off.

Using the System Setup Program

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