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System Overview
Dell™ PowerEdge™ 850 Systems User's Guide
Front-Panel Features
Back-Panel Features
System Features
Supported Operating Systems
Power Protection Devices
Other Information You May Need
Obtaining Technical Assistance
This section describes the major hardware and software features of your system, including front- and back-panel indicators, and provides information about
connecting external devices to the system and using power protection devices. It also lists other documents that you may need to install and operate your
system, as well as how to obtain technical assistance.
Front-Panel Features
Figure 1-1
shows the controls, indicators, and connectors located behind the optional bezel on the front-panel features and indicators of the system. (To
remove the optional bezel and access the front panel, press the latch at the left end of the bezel. See "Opening the System" in your Installation and
Troubleshooting Guide for detailed instructions on removing the bezel.)
Figure 1-1. Front-Panel Features
The power button controls the power input to the system's power supply.
A system identification button on the front panel can be used to locate a particular system within a rack. When one of these buttons is pushed or the systems
management software is used to identify the system, the blue system status indicator on the front of the system blinks. (To stop the indicator from blinking,
press the identification button a second time, or use the systems management software.) The optional locking system bezel incorporates blue and amber
system status indicators. The blue indicator lights up when the system is operating correctly.
Table 1-1. Front-Panel LED Indicators, Buttons, and Connectors
Feature
Icon
Description
System status
The blue system status indicator lights up during normal system operation.
indicator
The amber system status indicator flashes when the system needs attention due to a system problem.
System
identification
You can use the system identification buttons on the front and back panels to locate a particular system within a rack. When
button
one of these buttons is pushed, the blue system status indicators on the front and back panels blink until one of the buttons is
pushed again.
You can also use the systems management software to cause the indicators to flash to identify a particular system.
Hard-drive
The green hard-drive activity indicator flashes when the SATA hard drives are in use.
indicator
Table 1-1
lists the front-panel indicators, buttons, and connectors.