14 Information Update
2 NMI button Used to troubleshoot software and device
driver errors when using 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.
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 pushed, the LCD
panel on the front and the blue system
status indicator on the back blink until
one of the buttons is pushed again.
4 LCD panel Provides system ID, status information,
and system error messages.
The LCD lights during normal system
operation. Both the systems management
software and the identification buttons
located on the front and back of the
system can cause the LCD to flash blue
to identify a particular system.
The LCD lights amber when the system
needs attention, and the LCD panel
displays an error code followed by
descriptive text.
NOTE: If the system is connected to AC
power and an error has been detected, the
LCD lights amber regardless of whether the
system has been powered on.
5 USB connectors
(2)
Connects USB 2.0-compliant devices
to the system.
Table 1-5. Front-Panel LED Indicators, Buttons, and Connectors (continued)
Item Indicator, Button,
or Connector
Icon Description
