Owners Manual

2.5-inch hard drive expander configuration
In a 2.5 inch hard drive configuration, an expander card connects the system boards to the 2.5-inch hard drive backplane
through the midplane.
Figure 104. Front view of the backplane
1. hard drive connectors 1 to 24 (from left to right)
2. 2.5 inch backplane for expander configuration
Figure 105. Back view of the backplane
1.
backplane power connector for power supply 1 2. expander-card connector 1
3. expander-card connector 2 4. backplane power connector for power supply 2
Figure 106. Top view of the 2.5-inch hard drive expander card
1.
power control connector 2. mini-SAS connector (4-7)
3. mini-SAS connector (12-15) 4. mini-SAS connector (8-11)
5. mini-SAS connector (0-3)
Following is the replacement procedure of SATA2 and SAS backplane for the 2.5-inch hard drive expander configuration. The
configuration is applicable for up to four system boards and supports up to 24 hard drives. For more information, see the HDD
Zoning configuration tool under Drivers & downloads at Dell.com/support.
Installing and removing system components
147