Replacing the rear two hard-disk-drive kit

Use this information to replace the rear two hard-disk-drive kit on the system board.

Note

1. Refer to the following rules before you install the rear two hard-disk-drive kit.
   • 2.5-inch hot-swap hard disk drive model
     • Supports one 2.5-inch rear two hard-disk-drive kit, or
     • Supports two 2.5-inch rear two hard-disk-drive kits
   • 3.5-inch hot-swap hard disk drive model
     • Supports one 2.5-inch rear two hard-disk-drive kit, or
     • Supports one 3.5-inch rear two hard-disk-drive kit, or
     • Supports one 2.5-inch rear two hard-disk-drive kit and one 3.5-inch rear two hard-disk-drive kit
2. Refer to the following rules for the rear two hard-disk-drive kit numbering.
   • 2.5-inch hot-swap hard disk drive model
     • One 2.5-inch rear two hard-disk-drive kit numbering
       Figure 1. One 2.5-inch rear two hard-disk-drive kit numbering
       
       
     • Two 2.5-inch rear two hard-disk-drive kits numbering
       Figure 2. Two 2.5-inch rear two hard-disk-drive kits numbering
       
       
   • 3.5-inch hot-swap hard disk drive model
     • One 2.5-inch rear two hard-disk-drive kit numbering
       Figure 3. One 2.5-inch rear two hard-disk-drive kit numbering
       
       
     • One 3.5-inch rear two hard-disk-drive kit (with or without RAID card) numbering
       Figure 4. One 3.5-inch rear two hard-disk-drive kit (with or without RAID card) numbering
       
       
     • One 3.5-inch and one 2.5-inch rear two hard-disk-drive kits numbering
       Figure 5. One 3.5-inch and one 2.5-inch rear two hard-disk-drive kits numbering
       
       

To install the rear two hard-disk-drive kit, complete the following steps:

1. Read the safety information that begins on Safety and Installation guidelines.
2. Turn off the server and peripheral devices and disconnect all power cords.
3. Remove the top cover (see Removing the top cover).
4. Align the rear two hard-disk-drive kit with the connector on the system board and align it with the slots on the chassis; then, lower it into the server and press down firmly until the rear two hard-disk-drive kit is seated correctly in the connector on the system board
   • 2.5-inch rear two hard-disk-drive kit installation
     Figure 6. 2.5-inch rear two hard-disk-drive kit installation
     
     
   • 3.5-inch rear two hard-disk-drive kit installation
     Figure 7. 3.5-inch rear two hard-disk-drive kit installation
     
     
5. Connect the Mini-SAS HD cable from the rear hard drive backplane to the RAID card.
   • For 2.5-inch rear two hard-disk-drive kit
     Figure 8. 2.5-inch rear two hard-disk-drive kit cable routing
     
     
   • For 3.5-inch rear two hard-disk-drive kit, there are two possible cable routing configurations:
     • Connect to the RAID card on the slot 4 from the rear hard drive backplane.
       Figure 9. 3.5-inch rear two hard-disk-drive kit cable routing
       
       
     • Connect to the 3.5-inch HDD hot-swap backplane with 12 HDDs from the rear hard drive backplane
       Figure 10. 3.5-inch rear two hard-disk-drive kit cable routing
       
       
6. Press down the HDD kit firmly until the HDD kit is fully seated in the connector on the system board.
7. Replace the top cover (see Replacing the top cover).
8. Slide the server into the rack.
9. Reconnect the power cords and any cables that you removed.
10. Turn on the peripheral devices and the server.