Dell EMC PowerEdge R7525 Installation And Service Manual page 141

Steps
1. Connect the BOSS power cable and BOSS signal cable to the BOSS S2 controller card module.
Figure 122. Connecting the BOSS power cable and BOSS signal cable to the BOSS S2 controller card module
2. Align the BOSS S2 controller card module at an angle with the controller card module slot.
3. Insert the BOSS S2 controller card module and push the controller card module towards the back of the chassis until it is
secured.
4. Using the Phillips #1 screwdriver, secure the BOSS S2 controller card module with the M3 x 0.05 x 4.5 mm screw.
5. Connect the BOSS power cable and the BOSS signal cable to the connectors on the system board.
Figure 123. Installing the BOSS S2 controller card module
6. Align the M.2 SSD at an angle with the BOSS S2 card carrier.
7. Insert the M.2 SSD until it is firmly seated in the BOSS S2 card carrier.
8. Using the Phillips #1 screwdriver, secure the M.2 SSD on the BOSS S2 card carrier with the M3 x 0.05 x 4.5 mm screw.
Installing and removing system components 141