Dell PowerEdge C8000 - Manual (Page 273)

Installing System Components 273
Hard-Drive Cage Backplane
The following replacement procedure applies to sleds with 2.5-inch hard-drive
cage backplane or 3.5-inch hard-drive cage backplane.
Removing the 2.5-inch Hard-Drive Cage 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 is not covered by
warranty. Read and follow the safety instructions that came with the product.
NOTE: A hard-drive cage backplane must be installed in each sled to maintain
proper airflow, even when the sled is in a diskless configuration.
1 Remove the sled from the enclosure. See "Removing a Sled" on page 155.
2 Remove the back sled cover. See "Removing the Front and Back Sled
Covers" on page 176.
3 Remove the four screws securing the 2.5-inch hard-drive backplane
assembly to the back cover. See Figure 3-91.
4 Pull the 2.5-inch hard-drive cage backplane assembly away from the hard-
drive cage. See Figure 3-91.