Removing the optional 3.5-inch hard disk drive hardware RAID cage

Use this information to remove the optional 3.5-inch hard disk drive hardware RAID cage.

Before you remove the optional 3.5-inch hard disk drive hardware RAID cage, complete the following steps:

1. Read Safety and Installation guidelines.
2. If the compute node is installed in an Lenovo NeXtScale n1200 Enclosure, remove it (see Removing a compute node from a chassis for instructions).
3. Carefully lay the compute node on a flat, static-protective surface, orienting the compute node with the bezel pointing toward you.

To remove the optional 3.5-inch hard disk drive hardware RAID cage, complete the following steps.

Figure 1. Removing a 3.5-inch hard disk drive hardware RAID cage

1. Remove the cover (see Removing the compute node cover).
2. Disconnect the power cable and the mini-SAS cable from the system-board and the storage tray respectively (see Cabling hard disk drive with ServeRAID SAS/SATA controller).
   Figure 2. Disconnect the mini-SAS cable from the storage tray
   
   
3. Remove the easy-swap hard disk drive #7 (see Removing a 3.5-inch hard disk drive).
4. Using a Phillips screwdriver, remove the four screws from the cage and rotate the cage from under the bezel; then, remove the cage from the compute node at an angle.

If you are instructed to return the hard disk drive cage, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.