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 Front bezel Covers the system’s front-loading hard 
drives.
2 USB connectors (2) Connects USB devices to the system. 
The ports are USB 2.0-complaint. 
3 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.
book.book  Page 12  Tuesday, September 15, 2009  10:08 AM