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## Install the Hard Drive Backplane

Note - This is a cold service procedure that must be performed by qualified service personnel. See Cold Service, Replaceable by Authorized Service Personnel for more information about this category of service procedures.

| Caution - The server must be fully shut down and the power cords disconnected.

| Caution - This procedure involves handling circuit boards that are extremely sensitive to static electricity. Ensure that you follow ESD preventative practices to avoid damaging the circuit boards.

| Caution - Components inside the chassis might be hot. Use caution when servicing components inside the chassis.

1. Slide the backplane under the retention hooks on the hard drive cage.
2. Install the four No. 2 Phillips screws and tighten just enough to hold the backplane against the hard drive cage.

   Tip - You will complete the alignment of the backplane in the next step, so the screws cannot be too tight during that step.

   Figure 53 Installing a Hard Drive Backplane

3. With the backplane attached to the disk cage, push up against the bottom edge of the backplane and insert the retention bracket.
4. While keeping upward pressure on the backplane, press the retention bracket against the backplane, with the pins in line with the slots just above the hooks.
5. Complete tightening the four screws that secure the backplane to the disk cage.
6. Install the hard drive cage.

   See Install the Hard Drive Cage.

##### Related Information

- Remove the Hard Drive Backplane

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