Dell HR675 System, the system performs a, Is turned off. If the system is not, Pressed

Table 1-2. Front-Panel Components

Item	Component	Icon	Description
1	3.5-inch drive bay		Holds an optional diskette drive.
2	lower 5.25-inch drive		Holds an optional optical drive or
	bay		tape backup unit.
3	upper 5.25-inch drive		Holds an optical drive.
	bay
4	power button		The power button controls the DC
			power supply output to the system.
			NOTE: If you turn off the system using
			the power button and the system is
			running an ACPI-compliant operating
			system, the system performs a
			graceful shutdown before the power
			is turned off. If the system is not
			running an ACPI-compliant operating
			system, the power is turned off
			immediately after the power button is
			pressed.
5	NMI button		Used to troubleshoot software and
			device driver errors when using
			certain operating systems. This
			button can be pressed using the end
			of a paper clip.
			Use this button only if directed to
			do so by qualified support personnel
			or by the operating system's
			documentation.
6	System identification		The identification buttons on the
	button		front and back panels can be used to
			locate a particular system within a
			rack. When one of these buttons is
			pushed, the LCD panel on the front
			and the blue system status indicator
			on the back blink until one of the
			buttons is pushed again.

14

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