Figure 109. Riser for slots 16 and 17 installation
Step 1.  Align the riser with the I/O tray, making sure that the sides of the riser fit into the guides on the I/O 
tray, and insert the riser; then, press the riser into the I/O tray until the connector is fully seated.
Step 2.  Tighten the captive screw (item 4 in preceding figure) that secures the riser to the I/O tray board.
If you have no other operations to perform on the I/O tray after installing the riser for slots 16 and 17, install 
the I/O tray in the chassis and connect all cables. See “Install the I/O tray” on page 153.
Storage interposer replacement
Storage interposers are in the upper and lower trays that are accessed from the front of the server. 
Procedures for removing and installing storage interposers in the upper and lower trays are different.
Remove a storage interposer (upper tray)
The upper storage interposer is in the upper compute tray or optional storage tray that is accessed from the 
front of the server. After removing the upper tray and fan cage, disconnect the RAID card from the storage 
interposer and lift it out of the way; then, remove the screw securing the storage interposer and remove the 
storage interposer from the tray.
S002  
CAUTION: 
The power control button on the device and the power switch on the power supply do not turn off the 
electrical current that is supplied to the device. The device also might have more than one power 
cord. To remove all electrical current from the device, ensure that all power cords are disconnected 
from the power source.
Appendix B. Component reference 181