Dell E20S001 owner manual Indicator, Button, or Icon Description Connector, NMI button

Item	Indicator, Button, or	Icon	Description
	Connector
4	Power-on indicator, power		The power-on indicator lights when the system power is
	button		on. The power button controls the power supply output to
			the system.
			NOTE: On Advanced Configuration and Power
			Interface (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.
5	NMI button		Used to troubleshoot software and device driver errors
			when running 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
			documentation.
6	System identification button		The identification buttons on the front and back panels of
			the system can be used to locate a particular system
			within a rack. When one of these buttons is pressed, the
			LCD panel on the front and the system status indicator on
			the back flash until one of the buttons is pressed again.
			Press to toggle the system ID on and off.
			If the system stops responding during POST, press and
			hold the system ID button for more than five seconds to
			enter BIOS progress mode.
			To reset integrated Dell Remote Access Controller
			(iDRAC) (if not disabled in F2 iDRAC setup), press and hold
			for more than 15 seconds.
7	LCD menu buttons		Allow you to navigate the control panel LCD menu.
8	Information tag		A slide-out label panel which allows you to record system
			information such as Service Tag, NIC, MAC address, and
			so on.
9	LCD panel		Displays system ID, status information, and system error
			messages. The LCD lights blue during normal system
			operation. The LCD lights amber when the system needs
			attention, and displays an error code followed by
			descriptive text.
			NOTE: If the system is connected to a power source
			and an error is detected, the LCD lights amber
			regardless of whether the system is turned on or off.
10	USB connectors (2)		Allow you to connect USB devices to the system. The
			ports are USB 2.0-compliant.
11	Hard drives		Your system supports one of the following configurations:
			• Up to eight 3.5 inch hot-swappable hard drives

• Up to eight 2.5 inch hot-swappable hard drives installed in the 3.5 inch hard-drive carriers

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