Owners Manual

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