Removing The Hard-Drive Backplane - Dell PowerEdge R920 Owner's Manual

• 2.5 inch (x24) SAS/SATA backplane
• 2.5 inch (x16) SAS/SATA backplane and 2.5 inch (x8) Dell PowerEdge Express Flash (PCIe SSD) backplane

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 all hard drives.
5. Remove the following:
a. as applicable, memory risers/memory riser blank
b. cooling fans
c. memory riser and fan cage
6. Remove the SAS expander daughter card sled.
NOTE: Not applicable for the 2.5 inch (x4) SAS/SATA backplane configuration.
7. Disconnect the SAS/SATA/SSD data, signal, and power cable(s) from the backplane and system board.
8. Push the backplane blue release tab(s) in the direction of the arrow(s) and lift the backplane upward.
9. Pull the backplane away from the system until the securing slots are free from the hooks on the chassis.
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