12 About Your System
Front-Panel Features and Indicators
Figure 1-1. Front-Panel Features and Indicators
Item Indicator, Button,
or Connector
Icon Description
1 LED panel The LED panel has four diagnostic
indicator lights that display error codes
during system startup. See "Diagnostic
Lights" on page 19.
2Power-on indicator/
power button
The power-on indicator lights
when the system power is on.
The power button controls the DC power
supply output to the system. When the
system bezel is installed, the power
button is not accessible.
NOTE: When powering on the system,
the video monitor can take from several
seconds to over 2 minutes to display an
image, depending on the amount of memory
installed in 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.
NOTE: To force an ungraceful shutdown,
press and hold the power button for
5 seconds.
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