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Dell PowerEdge R620 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 are shipped with your 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 hard drives and hard-drive backplane, you must remove the hard drives from the system before removing the hard-drive 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 all hard drives.
  5. Disconnect the SAS/SATA/SSD data cable(s) and power cable from the backplane.
  6. If applicable, disconnect the power/data cable from the optical drive.
  7. Push the backplane blue release tabs in the direction of the arrows and lift the backplane upwards.
  8. Pull the backplane away from the system until the securing slots on the backplane are free from the tabs on the chassis.
    Figure 1. Removing and installing the 2.5 inch (x4) hard-drive backplane The figure shows removing and installing the hard drive backplane for four 2.5 inch SAS hard-drive system
    1. hard-drive backplane
    2. backplane signal cable
    3. backplane power cable
    4. release tab
    5. SAS A cable
    Figure 2. Cabling diagram—2.5 inch (x4) systems The figure shows cabling between hard-drive backplane and system board for four 2.5 inch SAS hard-drive system
    1. cable retention bracket
    2. system board
    3. integrated storage controller card
    4. SAS connector on system board
    5. SAS backplane
    Figure 3. Removing and installing the 2.5 inch (x4 sas hard-drive and x2 dell poweredge express flash [pcie ssd]) backplane The figure shows removing and installing the hard drive backplane for four 2.5 inch SAS hard-drive and two 2.5 inch PCIe SSD system
    1. backplane signal cable
    2. PCIe A cable
    3. backplane signal cable
    4. PCIe B cable
    5. backplane power cable
    6. release tabs (2)
    7. SAS B cable
    8. SAS hard-drive connector on backplane
    9. PCIe connector on backplane
    Figure 4. Cabling diagram—systems with the 2.5 inch (x4 sas and x2 pcie ssd) hard-drive backplane The figure shows cabling between hard-drive backplane and system board for four 2.5 inch SAS hard-drive and two PCIe SSD system.
    1. cable retention bracket
    2. system board
    3. PCIe SSD card
    4. integrated SAS controller card
    5. SAS connector on system board
    6. SAS and PCIe SSD backplane
    Figure 5. Removing and installing the 2.5 inch (x8) hard-drive backplane The figure shows removing and installing the 2.5 inch SAS/SATA backplane for 8–hard-drive system
    1. backplane signal cable
    2. backplane power cable
    3. SAS A cable
    4. release tabs (2)
    5. SAS B cable
    Figure 6. Cabling diagram—2.5 inch (x8) systems The figure shows cabling between hard-drive backplane and system board for eight 2.5 inch SAS hard-drive system.
    1. cable retention bracket
    2. system board
    3. integrated storage controller card
    4. SAS connector on the system board
    5. SAS backplane
    Figure 7. Cabling diagram—2.5 inch (x8) systems The figure shows cabling between hard-drive backplane and system board for eight 2.5 inch SAS hard-drive system
    1. cable retention bracket
    2. system board
    3. SAS controller card
    4. SAS backplane
    Figure 8. Removing and installing the 2.5 inch (x10) hard-drive backplane The figure shows removing and installing the 2.5 inch SAS/SATA backplane for 10–hard-drive system
    1. SAS backplane
    2. backplane power cable
    3. SD signal cable
    4. backplane signal cable
    5. SD card socket
    6. SAS cables (2)
    7. release tabs (2)
    8. hard-drive connector
    Figure 9. Cabling diagram—2.5 inch (x10) systems The figure shows cabling between hard-drive backplane and system board for ten 2.5 inch SAS hard-drive system
    1. cable retention bracket
    2. system board
    3. integrated storage controller card
    4. SAS connector on system board
    5. SAS backplane expander card

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