Dell R300 owner manual Used to troubleshoot software and device

Table 1-2. Front-Panel Components (continued)

Item	Component	Icon	Description
2	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.
3	Hard-drive activity		Indicates current hard-drive activity on
	indicator		the system.
4	System		The identification buttons on the front
	identification		and back panels can be used to locate a
	button		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.
5	LCD panel		Provides system ID, status information,
			and system error messages.
			The LCD lights during normal system
			operation. Both the systems management
			software and the identification buttons
			located on the front and back of the
			system can cause the LCD to flash blue to
			identify a particular system.
			The LCD lights amber when the system
			needs attention, and the LCD panel
			displays an error code followed by
			descriptive text.
			NOTE: If the system is connected to AC
			power and an error has been detected, the
			LCD lights amber regardless of whether the
			system has been powered on.
6	USB connectors (2)		Connect USB 2.0-compliant devices to
			the system.

About Your System

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