Item
Indicator,
button or
connector
Icon
Description
9
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.
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System
identification
button
The identification button 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
corresponding system identification button on the back flashes until one of the
buttons is pressed again.
Press the system identification button to turn the system ID on or 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.
Diagnostic indicators
Table 4. Diagnostic Indicators
Icon
Indicator, button,
or connector
Description
Health indicator
Indicates the health of the system.
•
If the system is powered on and in good health, the indicator lights solid blue. No
corrective action is required.
•
The indicator blinks amber if the system is on or in standby, and if any error exists (For
example, a failed fan). See the System Event Log or system messages for the specific
issue. For more information on error messages, see the Dell Event and Error Messages
Reference Guide at
Dell.com/OpenManageManuals
. Invalid memory configurations
can cause a blank screen or no video output. See the Getting help section.
Power-on
indicator, power
button
The power-on indicator lights when the system powered 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.
System
identification
button
The identification button 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 corresponding system
identification button on the back flashes until one of the buttons is pressed again.
Press the system identification button to turn the system ID on or 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.
NMI button
Used to troubleshoot software and device driver errors when running certain operating
systems. Use a paper clip to press this button.
10
Product overview