About Your System 13
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 USB connectors (2) Connect USB devices to the system. The 
ports are USB 2.0-compliant. 
4 Video connector Connects a monitor to the system.
5 System identification 
panel
A slide-out panel for system information 
including the Express Service Tag, 
embedded NIC MAC address, and 
iDRAC6 Enterprise card MAC address. 
Space is provided for an additional label.
6 LCD menu buttons Allows you to navigate the control panel 
LCD menu.
7 LCD panel Provides system ID, status information, 
and system error messages.
The LCD lights blue during normal 
system operation. 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.
Item Indicator, Button, or 
Connector
Icon Description
book.book  Page 13  Thursday, February 18, 2010  2:06 PM