Dell PowerEdge R520 Owner's Manual

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Front-Panel Features And Indicators

Figure 1. Front-Panel Features and Indicators The figure shows the front-panel features and indicators of your system.

The figure shows the front-panel features and indicators of your system.

Figure 2. Front-Panel Features and Indicators for a Software RAID System The figure shows the front-panel features and indicators of your software RAID system.

The figure shows the front-panel features and indicators of your software RAID system.

Item	Indicator, Button, or Connector	Icon	Description
1	Power-on indicator, power button		The power-on indicator lights when the system power is on. The power button controls the power supply output to 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.
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	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 system status indicator on the back flashes blue until one of the buttons is pushed again. Press to toggle the system ID on and off. If the system hangs during POST, press and hold the system ID button for more than five seconds to enter BIOS progress mode. To reset the iDRAC (if not disabled in F2 iDRAC setup) press and hold for more than 15 seconds.
4	Video connector		Connects a VGA display to the system.
5	LCD menu buttons		Allows you to navigate the control panel LCD menu.
6	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 the LCD panel displays an error code followed by descriptive text. NOTE: If the system is connected to AC power and an error is detected, the LCD lights amber regardless of whether the system is turned on.
7	USB connectors (2)		Allows you to connect USB devices to the system. The ports are USB 2.0 compliant.
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 as per your need.
9	Hard drives (8)		Up to eight 2.5 inch or 3.5 inch hot-swappable hard drives. Up to four 2.5 inch or 3.5 inch hot-swappable hard drives on software RAID systems.
10	Optical drive (optional)		One optional SATA DVD-ROM drive or DVD+/-RW drive. NOTE: DVD devices are data only.
11	Dual slot hard-drive blanks (2)		Hard-drive blanks for the empty hard-drive slots. NOTE: Dual slot hard-drive blanks are available only on software RAID systems. The blank hard-drive slots are not available for software RAID.