Dell PowerEdge R920 System Owner's Manual

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Front-Panel Features And Indicators

This figure shows the front-panel features and indicators of PowerEdge R920. — Figure 1. Front-Panel Features and Indicators

Table 1. Front view of the systemFeatures available on the front of R920 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 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.
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 pressed, the LCD panel on the front and the system status indicator on the back flashes 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 iDRAC (if not disabled in F2 iDRAC setup), press and hold the button for more than 15 seconds.
4	Video connector		Allows you to connect a VGA display to the system.
5	LCD menu buttons	N/A	Allows you to navigate the control panel LCD menu.
6	LCD panel	N/A	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 a power source and an error is detected, the LCD lights amber regardless of whether the system is turned on or off.
7	USB connectors (2)		Allows you to connect USB devices to the system. The ports are USB 2.0-compliant.
8	Enterprise Service Tag	N/A	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 (number of drives will be either 4 or 24 depending on the backplane configurations)	N/A	2.5 inch hard drives NOTE:On the backplane supported Flash devices, there are 3 bays in total. The first two bays are for PCIe Flash devices with two sets of drives labelled 0 through 3. The bay 3 is for SAS drives labelled 0 through 15.
10	Slide lock	N/A	A lock that pops out the ejector handle for the optical drive.
11	Optical drive (optional)	N/A	One optional SATA DVD-ROM drive or DVD+/- RW drive.
12	Rack ears	N/A	Allows you to pull the system out of the rack.
13	vFlash media card slot		Allows you to insert a vFlash media card.