Removing the hard-drive backplane (R730)Prerequisites1. Ensure that you read the Safety instructions.2. Follow the procedure listed in Before working inside your system.3. Remove the cooling shroud.4. Remove the cooling-fan assembly.5. Remove all hard drives.CAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.CAUTION: To prevent damage to the drives and backplane, you must remove the hard drivesfrom the system before removing the backplane.CAUTION: You must note the number of each hard drive and temporarily label them beforeremoval so that you can replace them in the same locations.Steps1. Disconnect the SAS/SATA data, signal, and power cable(s) from the backplane.2. Press the release tabs and lift the backplane upward and slide it toward the back of the chassis.Figure 71. Removing and installing the 2.5 inch (x16) SAS/SATA backplane—PowerEdge R7301. hard-drive backplane assembly 2. backplane signal cable145