1About Your SystemFront-Panel Features And IndicatorsFigure 1. Front-Panel Features and Indicators (3.5 Inch Chassis)—PowerEdge R720Figure 2. Front-Panel Features and Indicators (2.5 Inch Chassis)—PowerEdge R720Item Indicator, Button, orConnector Icon Description1 Power-on indicator, powerbuttonThe power-on indicator lights when the system power ison. The power button controls the power supply output tothe system.NOTE: On ACPI-compliant operating systems, turningoff the system using the power button causes thesystem to perform a graceful shutdown before powerto the system is turned off.2 NMI button Used to troubleshoot software and device driver errorswhen running certain operating systems. This button canbe pressed using the end of a paper clip.Use this button only if directed to do so by qualifiedsupport personnel or by the operating system'sdocumentation.3 System identification button The identification buttons on the front and back panelscan be used to locate a particular system within a rack.When one of these buttons is pressed, the LCD panel on9
