Installing The Hard Drive Backplane - Dell PowerEdge E31S Series Owner's Manual

Figure 105. Cabling diagram—3.5 inch (x8) SAS/SATA backplane (option 2)
1. hard drive backplane
3. system board
5. SAS B connector on the system board
Next steps
1. Replace the hard drive backplane.
2. Follow the procedure listed in the After working inside your system section.

Installing the hard drive backplane

Prerequisites
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by
your warranty. Read and follow the safety instructions that are shipped with your product.
CAUTION: To prevent damage to the control panel flex cable, do not bend the control panel flex cable after it is
inserted into the connector.
166 Installing and removing system components
2. backplane signal connector 1
4. SAS A connector on the system board