Dell PowerVault DL4000 Dell PowerVault DL4000 Systems Owner's Manual - Page 7

About Your System, Front-Panel Features And Indicators

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1 About Your System Front-Panel Features And Indicators Figure 1. Front-Panel Features and Indicators Item Indicator, Button, or Icon Connector 1 Diagnostic indicators 2 System health indicator 3 Power-on indicator, power button 4 NMI button 5 System identification button 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. 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 system status indicator on the back flashes until one of the buttons is pressed again. Press to toggle the system ID on and off. 7

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1
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.
5
System identification button
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 system status
indicator on the back flashes until one of the buttons is
pressed again.
Press to toggle the system ID on and off.
7