Hardware options installation  57 
4. 
Use the power cord management clip to secure the cord and form a service loop. 
 
5.  Connect the power cord to the AC power source. 
6.  Be sure that the power supply LED is green ("Rear panel LEDs" on page 12). 
 
 
IMPORTANT: For maximum server availability, be sure that the two power supplies are powered 
by separate AC power sources. 
 
 
Hot-plug SAS hard drive options 
When adding hard drives to the server, observe the following general guidelines:  
•  The system automatically sets all device numbers. 
•  If only one hard drive is used, install it in the bay with the lowest device number. 
•  Drives should be the same capacity to provide the greatest storage space efficiency when drives are 
grouped together into the same drive array. 
 
Installing a hot-plug SAS hard drive 
1.  Remove the SAS hard drive blank.