Dell T605 Button is enabled in the System Setup program, Power, NMI Button Disabled default

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

Option	Description
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 On or Off.
AC Power Recovery	Determines how the system reacts when power is restored
(Last default)	to the system. If system is set to Last, the system returns
	to the last power state. On turns on the system after
	power is restored. When set to Off, the system remains
	off after power is restored.

Using the System Setup Program

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