Dell T710 Power button causes the system to, Perform a graceful shutdown before, Seconds

Item	Indicator, Button, or	Icon	Description
	Connector
4	Power-on indicator,		The power-on indicator lights when the
	power button		system power is on.
			The power button controls the DC
			power supply output to the system.
			NOTE: When powering on the system, the
			video monitor can take up to 25 seconds
			to display an image, depending on the
			amount of memory installed in the system.
			NOTE: On ACPI-compliant operating
			systems, turning off the system using the
			power button causes the system to
			perform a graceful shutdown before
			power to the system is turned off.
			NOTE: To force an ungraceful shutdown,
			press and hold the power button for five
			seconds.
5	System identification		The identification button on the front
	button		panel can be used to locate a particular
			system. When the button is pushed, the
			LCD panel on the front flashes blue
			until the button is pushed again.
6	LCD menu buttons		Allows you to navigate the control panel
			LCD menu.

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