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Dell PowerEdge R720 and R720xd Owner's Manual

Removing The Optional Hard-Drive Backplane (Back)

  • NOTE: This procedure applies only to PowerEdge R720xd.
  • 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 came with the product.
  1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
  2. Open the system.
    • CAUTION: To prevent damage to the drives and backplane, you must remove the hard drives from the system before removing the backplane.
    • CAUTION: You must note the number of each hard drive and temporarily label them before removal so that you can replace them in the same locations.
  3. Remove both hard drives.
  4. Disconnect all the cables from the backplane.
  5. Lift the release pin and slide the backplane away from the chassis.
  6. Lift the backplane to remove it from the chassis.
    Figure 1. Removing and Installing the Optional 2.5 Inch (x2) Hard-Drive Backplane—PowerEdge R720xd The figure shows removing and installing the Optional 2.5 inch (x2) hard-drive backplane—PowerEdge R720xd
    1. pass-through I2C cable
    2. I2C cable
    3. sideband cable
    4. hard-drive backplane (back)
    5. SAS/SATA connectors (2)
    6. SAS cable
    7. release pin
    Figure 2. Cabling Diagram—Optional 2.5 Inch (x2) Hard-Drive Backplane (back) —PowerEdge R720xd The figure shows cabling between the optional hard-drive backplane (back) and system board (2.5 Inch (x2) Hard-Drive Backplane—PowerEdge R720xd).
    1. PCIe card holder
    2. hard-drive backplane (back)
    3. system board
    4. integrated storage controller card
    5. SAS connector on the system board
    6. cable retention bracket
    7. x12 or x24 hard-drive backplane

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