About Your System; Front-Panel Features And Indicators - Dell External OEMR R420 Owner's Manual

About Your System

Front-Panel Features And Indicators

Figure 1. Front-Panel Features and Indicators—Four 3.5 Inch Hard-Drive System
Item Indicator, Button, or
Connector
1 Power-on indicator, power
button
2 NMI button
3 System identification button
4 Video connector
Icon Description
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.
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's
documentation.
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.
Allows you to connect a VGA display to the system.
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