Replacing the 3.5-inch hot-swap hard disk drive backplane

Use this information to replace the 3.5-inch hot-swap hard disk drive backplane.

1. Read the safety information that begins on Safety and Removing and replacing guidelines.
2. Turn off the server, and disconnect all power cords and external cables.
3. Remove the top cover (see Removing the top cover).
4. Pull the hard disk drives or fillers out of the server slightly to disengage them from the backplane. See Removing a hot-swap hard disk drive.
5. Remove the fan cage assembly (see Removing the fan cage assembly).
6. 1 Insert the backplane tabs into slots on the bottom of the drive cage at an angle; then, 2 rotate the backplane toward the front the server.
   Note

   You can connect the cables to the drive backplane before installing the backplane onto the cage or you can connect the cables after you install the backplane, if that is easier for you.
7. 3 Push the b backplane to the left to engage the assembly into place.
   • For eight 3.5-inch hot-swap hard disk drive backplane
     Figure 1. Eight 3.5-inch hot-swap hard disk drive backplane
     
     
   • For twelve 3.5-inch hot-swap hard disk drive backplane
     Figure 2. 3.5-inch hot-swap hard disk drive backplane installation
     
     
8. Connect the signal and power-configuration cables to the backplane and the system board. See 3.5-inch hard disk drive cable connection for more information.
9. Reinstall the hard disk drives and filler panels.
10. Replace the fan cage assembly and fans if you removed them (see Replacing the fan cage assembly and Replacing a hot-swap fan).
11. Install the top cover (see Replacing the top cover).
12. Slide the server into the rack.
13. Reconnect the power cords and any cables that you removed.
14. Turn on the peripheral devices and the server.