Dell
Dell PowerEdge R310 Technical Guide 25
The system control panel is located on the front of the system chassis to provide user access to buttons,
display, and I/O interfaces. Features of the system control panel include:
• ACPI-compliant power button with an integrated green power LED (controlled by iDRAC6)
• 128x20 pixel LCD panel with controls
o Two navigation buttons
o One select button
o One system ID button
• Non-Maskable Interrupt (NMI) button (recessed)
• Ambient temperature sensor
• Two external USB 2.0 connectors (with an internal USB connector and Internal SD Module)
• 15-pin VGA connector
The LCD panel is a graphics display controlled by iDRAC6. Error codes can be sent to the display by either
iDRAC6 or BIOS.
The system's LCD panel provides system information and status messages to signify when the system is
operating correctly or when the system needs attention.
The LCD backlight is blue during normal operating conditions and changes to amber to indicate an error
condition. When the system is in standby mode, the LCD backlight is off and can be turned on by pressing
the Select button on the LCD panel. The LCD backlight will remain off if the "No Message" option is selected
through the iDRAC6, the LCD panel, or other tools.
BIOS has the ability to enter a “Secure Mode” through Setup, which locks the Power and NMI buttons. When
in this mode, the Power button can still be used to turn on the system, but it cannot be used to turn off
power to the system.
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