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Dell PowerEdge T320 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 and peripherals.
    • 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 slot number of each hard drive and temporarily label them before removal so that you can replace them in the same locations.
  3. Remove all hard drives.
  4. If applicable, rotate the system feet inward and lay the system on its side on a flat, stable surface.
    • NOTE: For systems installed with the wheel assembly, ensure that you lay the system on a sturdy, stable surface with the wheel assembly extending off the edge of the surface.
  5. Open the system.
  6. Disconnect the SAS, power, signal, and I2C cables from the hard-drive backplane.
    • NOTE: For the x8 backplane, press the SAS connector and push the connector toward the top of the system to release the SAS cable from the backplane.
  7. Pull the release pin and lift the backplane out of the system.
    Figure 1. Removing and Installing an x8 Hard-Drive Backplane The figure shows removing and installing an x8 hard-drive backplane.
    1. x8 hard-drive backplane
    2. release pin
    3. hooks (11)
    Figure 2. Connectors on an x8 Hard-Drive Backplane The figure shows the connectors on an x8 hard-drive backplane.
    1. SAS B connector
    2. power connector for optical drive and tape drive
    3. backplane power connector
    4. SAS A connector
    5. I2C connector
    Figure 3. Cabling—x8 Hard-Drive Backplane The figure shows cabling for an x8 hard-drive backplane.
    1. power connector
    2. SAS A connector on system board
    3. I2C connector on system board
    4. I2C connector on backplane
    5. SAS A connector on backplane
    6. backplane power connector
    Figure 4. Removing and Installing an x16 Hard-Drive Backplane The figure shows removing and installing an x16 hard-drive backplane.
    1. x16 hard-drive backplane
    2. release pin
    3. hooks (7)
    Figure 5. Connectors on an x16 Hard-Drive Backplane The figure shows the connectors on an x16 hard-drive backplane.
    1. backplane power connector
    2. backplane
    3. power connector for optical drive and tape drive
    4. I2C connector
    5. primary SAS connectors (A and B)
    6. secondary SAS connectors (A1 and B1)
    Figure 6. Cabling—x16 Hard-Drive Backplane With Expansion Card The figure shows cabling for an x16 hard-drive backplane with expansion card.
    1. power connector on power distribution board
    2. SAS B connector on PowerEdge RAID Controller (PERC) card
    3. SAS A connector on PERC card
    4. I2C connector on system board
    5. SAS A connector on backplane
    6. SAS B connector on backplane
    7. backplane power connector
    8. I2C connector on backplane

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