Dell PowerEdge T320 Owner's Manual - Page 14

Front-Panel Features And Indicators—Rack Mode, Front-Panel Features and Indicators - power button

Page 14 highlights

Front-Panel Features And Indicators-Rack Mode Figure 4. Front-Panel Features and Indicators NOTE: Only systems with hot-swappable hard drives are rackable. Item Indicator, Button, or Icon Description Connector 1 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. 2 NMI button 3 System identification 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 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 flash 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. 14

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Front-Panel Features And Indicators—Rack Mode
Figure 4. Front-Panel Features and Indicators
NOTE:
Only systems with hot-swappable hard drives are rackable.
Item
Indicator, Button, or
Connector
Icon
Description
1
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.
2
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
documentation.
3
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 LCD panel on
the front and the system status indicator on the back flash
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.
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