Drive backplaneconfigurations ConnectorsSATA_BP connector on the systemboard J_PERC connector on the systemboard1.8-inch (x12) SAS SSDbackplaneSAS drive backplane cable connectorthat connects SSDs populated in bays6–11 to the system board.SAS backplane cable connector thatconnects SSDs populated in bays 0-5to the system board through anexpander card. For more informationabout installing an expander card, seethe Expander card section.NOTE: Ensure that you install the expander card on the system board if you are using 1.8-inch (x12)SSD system. For information about the installation procedure, see the Expander card section.NOTE: For more information about hard drive or SSD bay numbering, see the Hard drive or SSD baynumbering.NOTE: To locate SATA_BP and J_PERC connectors on the system board, see the System boardconnectors section.Removing a 2.5-inch (x4) SAS hard-drive or SSD backplanePrerequisitesCAUTION: 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.NOTE: You must remove the hard-drive or SSD backplane to replace a faulty hard-drive or SSDbackplane or service other components inside the system.1. Follow the safety guidelines listed in the Safety instructions section.2. Follow the procedure listed in the Before working inside your system section.3. Keep the #2 Phillips screwdriver ready.CAUTION: To prevent damage to the hard drive or SSDs and the hard-drive or SSDbackplane, you must remove the hard drives or SSDs from the blade before removing thehard-drive or SSD backplane.CAUTION: You must note the number of each hard drive or SSD and temporarily label thembefore removal so that you can replace them in the same locations.4. Remove the hard drives or SSDs.Steps1. Press the release latches, lift the backplane until the guide pins on the hard-drive or SSD cagedisengage from the guides on the hard-drive or SSD backplane.2. Remove the hard-drive or SSD cage.3. Loosen the two retention screws securing the hard-drive or SSD backplane cable connector to thesystem board connector.4. Lift the backplane away from the system.122
