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Dell PowerEdge T620 Systems Owner's Manual

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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. If applicable, 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. Pull out on the release pin or the release tab and pull the backplane upward and out from the system.
    • NOTE: For a Dell PowerEdge Express Flash (PCIe SSD) backplane, press down on the release tab to unlock the hard-drive backplane and release it from the hard-drive bay.
    Figure 1. Removing and Installing The PCIe SSD Hard-Drive Backplane The image shows removing and installing the PCIe SSD hard-drive backplane.
    1. hard-drive connector
    2. PCIe SSD hard-drive backplane
    3. release tab
    4. PCIe cable
    5. power cable
    6. signal cable
    Figure 2. Removing and Installing a 3.5 Inch (x8) SAS/SATA Backplane The figure shows removing and installing a 3.5 inch (x8) SAS/SATA backplane.
    1. backplane power connector
    2. backplane power cable
    3. release pin
    4. signal cable
    5. backplane
    6. SAS A cable
    Figure 3. Cabling—3.5 Inch (x8) SAS/SATA Backplane The figure provides the cabling instructions for a 3.5 inch (x8) SAS/SATA backplane.
    1. power connector on backplane
    2. SAS A connector on backplane
    3. SAS A connector on system board
    4. power connector on PDB
    5. signal connector on system board
    6. signal connector on backplane
    Figure 4. Removing and Installing a 3.5 Inch (x8) SAS/SATA Backplane With a Single PERC Card The figure shows removing and installing a 3.5 inch (x8) SAS/SATA backplane with a single PERC card.
    1. power connector
    2. power cable
    3. release pin
    4. SAS B cable
    5. signal cable
    6. backplane
    7. SAS A cable
    Figure 5. Cabling—3.5 Inch (x8) SAS/SATA Backplane With a Single PERC Card The figure provides the cabling instructions for a 3.5 inch (x8) SAS/SATA backplane with a single PERC card.
    1. power connector on backplane
    2. SAS A connector on backplane
    3. SAS B connector on PERC card
    4. SAS A connector on PERC card
    5. Power connector on PDB
    6. signal cable on system board
    7. signal cable on backplane
    8. SAS B connector on backplane
    Figure 6. Removing and Installing a 3.5 Inch (x8) Plus 2.5 Inch (x4) SAS/SATA Backplane The figure shows removing and installing a 3.5 inch (x8) plus 2.5 inch (x4) SAS/SATA backplane.
    1. PCIe C cable
    2. power connector
    3. PCIe D cable
    4. PCIe B cable
    5. signal cable
    6. PCIe B cable
    7. power cable
    8. release pin
    9. SAS B cable
    10. signal cable
    11. SAS A cable
    12. backplane
    Figure 7. Cabling—3.5 Inch (x8) Plus 2.5 Inch (x4) SAS/SATA Backplane The figure provides the cabling instructions for 3.5 inch (x8) plus 2.5 inch (x4) SAS/SATA backplane.
    1. PCIe B cable on PCIe SSD backplane
    2. PCIe A cable on PCIe SSD backplane
    3. SAS B cable from 3.5 inch backplane on PERC card
    4. SAS A cable from 3.5 inch backplane on PERC card
    5. PCIe D cable from PCIe SSD backplane to PCIe extender card
    6. PCIe C cable from PCIe SSD backplane to PCIe extender card
    7. PCIe B cable from PCIe SSD backplane to PCIe extender card
    8. PCIe D cable from PCIe SSD backplane to PCIe extender card
    9. PCIe SSD backplane power cable
    10. x8 backplane power cable
    11. x8 backplane signal cable
    12. SAS B cable on 3.5 inch backplane
    13. SAS A cable on 3.5 inch backplane
    14. backplane power cable
    15. backplane power connector
    16. PCIe SSD backplane signal cable
    17. PCIe D cable on PCIe SSD backplane
    18. PCIe C cable on PCIe SSD backplane
    Figure 8. Removing and Installing a 3.5 Inch (x12) SAS/SATA Backplane The figure shows removing and installing a 3.5 inch (x12) SAS/SATA backplane.
    1. power connector
    2. power cable
    3. SAS B cable
    4. release pin
    5. SAS A cable
    6. signal cable
    7. backplane
    Figure 9. Cabling—3.5 Inch (x12) SAS/SATA Backplane The figure provides the cabling instructions for a 3.5 inch (x12) SAS/SATA backplane.
    1. power connector on backplane
    2. SAS B connector on backplane
    3. SAS B connector on PERC
    4. SAS A connector on PERC
    5. power connector on PDB
    6. signal connector on system board
    7. SAS A connector on backplane
    8. signal connector on backplane
    Figure 10. Removing and Installing 2.5 Inch (x16) SAS/SATA Backplane The figure shows removing and installing a 2.5 inch (x16) SAS/SATA backplane.
    1. backplane
    2. signal cable
    3. release pin
    4. power cable
    5. power connector
    6. SAS A cable
    7. SAS B cable
    Figure 11. Cabling—2.5 Inch (x16) SAS/SATA Backplane The figure provides the cabling instructions for a 2.5 inch (x16) SAS/SATA backplane.
    1. SAS B connector on PERC
    2. SAS A connector on PERC
    3. power connector on PDB
    4. signal connector on system board
    5. SAS A connector on backplane
    6. SAS B connector on backplane
    7. power connector on backplane
    8. signal connector on backplane
    Figure 12. Removing and Installing 2.5 Inch (x16) Plus 2.5 Inch (x4) SAS/SATA Backplane The figure shows removing and installing a 2.5 inch (x16) plus 2.5 inch (x4) SAS/SATA backplane.
    1. backplane
    2. PCIe D cable
    3. power cable
    4. PCIe C cable
    5. PCIe B cable
    6. signal cable
    7. PCIe A cable
    8. release pin
    9. signal cable
    10. power cable
    11. SAS A cable
    12. SAS B cable
    13. backplane
    Figure 13. Cabling—2.5 Inch (x16) Plus 2.5 Inch (x4) SAS/SATA Backplane The figure provides the cabling instructions for a 3.5 inch (x16) plus 2.5 inch (x4) SAS/SATA backplane.
    1. PCIe B cable on PCIe SSD backplane
    2. PCIe A cable on PCIe SSD backplane
    3. SAS B connector on PERC
    4. SAS A connector on PERC
    5. PCIe D cable on PCIe bridge card
    6. PCIe C cable on PCIe bridge card
    7. PCIe B cable on PCIe bridge card
    8. PCIe A cable on PCIe bridge card
    9. PCIe SSD backplane power connector on PDB
    10. backplane power connector on PDB
    11. SAS A connector on backplane
    12. SAS B connector on backplane
    13. power connector on backplane
    14. signal connector on backplane
    15. signal connector on PCIe SSD backplane
    16. power connector on PCIe SSD backplane
    17. PCIe D cable on PCIe SSD backplane
    18. PCIe C cable on PCIe SSD backplane
    Figure 14. Removing and Installing 2.5 Inch (x32) SAS/SATA Backplane With Two PERC Cards The figure shows removing and installing a 2.5 inch (x32) SAS/SATA backplane with two PERC cards.
    1. signal cable
    2. release pin
    3. power cable
    4. SAS A cable
    5. SAS B cable
    6. signal cable
    7. power cable
    8. SAS A cable
    9. SAS B cable
    10. backplane
    Figure 15. Cabling—2.5 Inch (x32) SAS/SATA Backplane With Two PERC Cards The figure provides the cabling instructions for a 2.5 inch (x32) SAS/SATA backplane with two PERC cards.
    1. SAS A connector on 2nd PERC
    2. SAS B connector on 2nd PERC
    3. SAS B connector on 1st PERC
    4. SAS A connector on 1st PERC
    5. backplane 1 power connector on PDB
    6. backplane 2 power connector on PDB
    7. signal connector 1 on system board
    8. signal connector 2 on system board
    9. SAS A connector on backplane 2
    10. SAS B connector on backplane 2
    11. power connector on backplane 2
    12. signal connector on backplane 2
    13. power connector on backplane 1
    14. SAS B connector on backplane 1
    15. SAS A connector on backplane 1
    16. signal connector on backplane 1
    Figure 16. Removing and Installing 2.5 Inch (x32) SAS/SATA Backplane With a Single PERC Card The figure shows removing and installing 2.5 inch (x32) SAS/SATA backplane with a single PERC card.
    1. signal cable
    2. release pin
    3. power connector
    4. SAS A cable
    5. SAS B cable
    6. SAS A1 cable
    7. SAS B1 cable
    8. signal cable
    9. power cable
    10. SAS A1 cable
    11. SAS B1 cable
    12. backplane
    Figure 17. Cabling—2.5 Inch (x32) SAS/SATA Backplane With a Single PERC Card The figure provides the cabling instructions for a 2.5 inch (x32) SAS/SATA backplane with a single PERC card.
    1. signal connector on backplane 1
    2. SAS B connector on backplane 1
    3. SAS A connector on backplane 1
    4. SAS B connector on PERC
    5. SAS A connector on PERC
    6. backplane 1 power connector on PDB
    7. backplane 2 power connector on PDB
    8. backplane 1 signal connector on system board
    9. backplane 2 signal connector on system board
    10. backplane 2 SAS A connector
    11. backplane 2 SAS B connector
    12. backplane 2 power connector
    13. backplane 2 signal connector
    14. backplane 1 power connector
    15. backplane 1 SAS B1 connector
    16. backplane 1 SAS A1 connector

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