Figure 51. Installing the EMI shielding
Step 2.  Make sure there is no optical drive installed on the optical drive cage. Then, istall the 3.5-inch drive 
cage to the optical drive cage. 
a. 
Align the four hooks on the optical drive cage with the corresponding hooks on the 3.5-inch 
drive cage; then, lower the optical drive cage onto the 3.5-inch drive cage, and slide the optical 
drive forward until it secures into place. 
Note: Make sure the four hooks on both drive cages are fully engaged.
b. 
Fasten the captive screw to secure the two drive cages together. 
Figure 52. Installing the 3.5-inch drive cage to the optical drive cage
70 ThinkSystem ST50 V2 Setup Guide