Dell 2900 owner manual The identification buttons on the front and back panels

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

Item	Component	Icon	Description
3	System identification button		The identification buttons on the 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.
4	LCD panel		Provides system ID, status information, and system error
			messages.
			The LCD lights during normal system operation. Both
			the system 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.
5	USB connectors (2)		Connects USB 2.0-compliant devices to the system.
6	Video connector		Connects a monitor to the system.
7	Diskette drive		Optional.
8	Hard drives		Eight hot-pluggable bays for 3.5-inch SAS or SATA hard
			drives connected to a 1x8 SAS backplane.
9	Flex bay		Optional flex bay drive bracket with 1x2 SAS backplane
			for two additional 3.5-inch, hot-pluggable SAS or SATA
			hard drives.
10	Tape backup unit		Optional half-height SCSI tape backup unit (requires
			optional SCSI controller). Optional full-height SCSI
			tape backup unit also available.
11	Optical drive		Optional.

About Your System

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