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Dell PowerEdge R720 and R720xd Owner's Manual

PDF

Removing The Hard-Drive Backplane

  • 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. If installed, remove the front bezel
  2. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
  3. 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.
  4. Remove the cooling shroud.
  5. Remove the cooling-fan assembly.
  6. Remove all hard drives.
  7. Disconnect the SAS/SATA/SSD data, signal, and power cable(s) from the backplane.
  8. Press the release tabs and slide the backplane upward.
    Figure 1. Removing and Installing the 3.5 Inch (x8) SAS/SATA Backplane—PowerEdge R720 The figure shows removing and installing the 3.5 inch (x8) SAS/SATA backplane—PowerEdge R720.
    1. release tabs (2)
    2. SAS A cable
    3. backplane signal cable
    4. backplane power cable A
    5. SAS B cable
    6. backplane power cable B
    Figure 2. Cabling Diagram—3.5 Inch (x8) SAS/SATA Backplane—PowerEdge R720 The figure shows cabling between hard-drive backplane and system board (3.5 inch (x8) SAS/SATA Backplane — PowerEdge R720).
    1. cable retention bracket
    2. system board
    3. integrated storage controller card
    4. SAS connector (mini PERC SAS) on the system board
    5. SAS connectors on the backplane (2)
    Figure 3. Cabling Diagram—3.5 Inch (x4) SAS/SATA Backplane—PowerEdge R720 The figure shows cabling between hard-drive backplane and system board (3.5 Inch (x4) SAS/SATA Backplane—PowerEdge R720).
    • NOTE: This cabling diagram indicates software RAID configuration.
    1. cable retention bracket
    2. system board
    3. SAS connector on the system board
    4. SAS connector on the backplane
    Figure 4. Removing and Installing the 2.5 Inch (x16) SAS/SATA Backplane—PowerEdge R720 The figure shows removing and installing the 2.5 inch (x16) SAS/SATA Backplane—PowerEdge R720.
    1. x16 hard-drive backplane
    2. hard-drive backplane connectors (16)
    3. backplane power cables (2)
    4. backplane signal cable
    5. SAS cables (2)
    6. release tabs (2)
    Figure 5. Cabling Diagram—2.5 Inch (x16) SAS/SATA Backplane—PowerEdge R720 The figure shows cabling between hard-drive backplane and system board (2.5 Inch (x16) SAS/SATA Backplane—PowerEdge R720).
    1. cable retention bracket
    2. system board
    3. integrated storage controller card
    4. SAS connector on the system board
    5. SAS connectors on the backplane (2)
    Figure 6. Removing and Installing the 2.5 Inch (x8) SAS/SATA Backplane—PowerEdge R720 The figure shows removing and installing the 2.5 inch (x8) SAS/SATA Backplane—PowerEdge R720.
    1. x8 hard-drive backplane
    2. hard-drive backplane connectors (8)
    3. release tab
    4. backplane power cable
    5. SAS cables (2)
    6. backplane signal cable
    Figure 7. Cabling Diagram—Dual 2.5 Inch (x8) SAS/SATA Backplane—PowerEdge R720 The figure shows cabling between hard-drive backplane and system board (Dual 2.5 Inch (x8) SAS/SATA Backplane—PowerEdge R720).
    1. system board
    2. cable retention bracket
    3. integrated storage controller card
    4. SAS connector on the system board
    5. SAS controller card
    6. SAS backplane
    7. SAS backplane
    Figure 8. Removing and Installing the 2.5 Inch (x4) SSD/Dell PowerEdge Express Flash (PCIe SSD) Backplane—PowerEdge R720 The figure shows removing and installing the 2.5 inch (x4) SSD/PCIe SSD Backplane—PowerEdge R720.
    1. hard-drive backplane connectors (4)
    2. x4 hard-drive backplane
    3. release tab
    4. SSD/PCIe SSD cables (4)
    5. backplane power cable
    6. backplane signal cable
    Figure 9. Cabling Diagram—2.5 Inch (x8) SAS/SATA and (x4) PCIe SSD Backplane—PowerEdge R720 The figure shows cabling between hard-drive backplane and system board (2.5 inch (x8) SAS/SATA and (x4) PCIe SSD Backplane—PowerEdge R720).
    1. cable retention bracket
    2. system board
    3. integrated storage controller card
    4. SSD/PCIe SSD controller card
    5. SAS connector on the system board
    6. SSD/PCIe SSD backplane
    7. SAS backplane
    Figure 10. Removing and Installing the 3.5 Inch (x12) SAS/SATA Backplane—PowerEdge R720xd The figure shows removing and installing the 3.5-inch (x12) SAS/SATA backplane — PowerEdge R720xd
    1. release tabs (2)
    2. pass-through I2C cable
    3. left control panel cable
    4. I2C cable
    5. power cable A
    6. USB cable
    7. SAS cables (3)
    8. power cable B
    9. front I/O cable
    10. right control panel cable
    11. x12 hard-drive backplane
    12. hard-drive backplane connectors (12)
    Figure 11. Cabling Diagram—3.5 Iinch (x12) SAS/SATA Backplane—PowerEdge R720xd The figure shows cabling between hard-drive backplane and system board (3.5 Iinch (x12) SAS/SATA Backplane—PowerEdge R720xd).
    1. cable retention bracket
    2. system board
    3. integrated storage controller card
    4. SAS connector on the system board
    5. SAS backplane
    Figure 12. Removing and Installing the 2.5 Inch (x24) SAS/SATA Backplane—PowerEdge R720xd The figure shows removing and installing the 2.5” (x24) SAS/SATA backplane—PowerEdge R720xd
    1. x24 hard-drive backplane
    2. left control panel cable
    3. release tabs (2)
    4. power cable A
    5. sideband cable
    6. pass-through I2C cable
    7. SAS cables (3)
    8. power cable B
    9. backplane/expander bracket
    10. right control panel cable
    11. power cable C
    12. front I/O cable
    13. USB cable
    14. hard-drive backplane connectors (24)
    Figure 13. Cabling Diagram—2.5 Inch (x24) SAS/SATA Backplane—PowerEdge R720xd The figure shows cabling between hard-drive backplane and system board (2.5 inch (x24) SAS/SATA Backplane—PowerEdge R720xd).
    1. cable retention bracket
    2. system board
    3. integrated storage controller card
    4. SAS connector on the system board
    5. SAS backplane

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