16 PowerEdge R730 and R730xd Technical Guide   
Figure 8.  R730xd internal chassis view 
 
For additional system views, see the 
Dell PowerEdge R730 and R730xd Owner’s Manual
 on 
Dell.com/Support/Manuals. 
Chassis features 
Table 4 lists the chassis features for the R730 and R730xd
 
systems. For additional information on 
these features, see the 
Dell PowerEdge R730 and R730xd Owner’s Manual
 on 
Dell.com/Support/Manuals. 
Table 4.  Chassis features 
Power button and indicator 
ACPI-complaint power button with an integrated green power LED 
Covers the system’s front-loading hard drives; can be locked to prevent 
hard drives from being removed 
Recessed non-maskable interrupt (NMI) button used to troubleshoot 
software and device driver errors; use only if directed to do so by 
qualified support personnel or by the operating system's 
documentation 
System identification button 
Buttons on the back and front of a system to help identify the unit in a 
data center environment 
Indicate the status and activity of the hard drives 
R730: 2 front, 2 back, and 1 internal  
R730xd: 1 front, 2 back, and 1 internal