About Your System; Front-Panel Features And Indicators - Dell DL4000 Owner's Manual

About your system

Front-panel features and indicators

Figure 1. Front-panel features and indicators
Item Indicator, Button, or
Connector
1 Diagnostic indicators
2 System health indicator
3 Power-on indicator,
power button
4 NMI button
Icon Description
The diagnostic indicators light up to display error
status.
The system health indicator blinks amber when a
system fault is detected.
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.
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