IBM Power System S821LC Installing page 33

4. Place the PCIe adapter riser on an ESD surface, with the riser up.
5. Plug the GPU (A) into the PCIe adapter riser (B) as shown in Figure 14. Secure the GPU tailstock with
one or two screws as needed.
Figure 14. Inserting the GPU into the riser
6. Place the PCIe adapter riser and the cards it contains into the system backplane as shown in Figure 15
on page 18.
a. Ensure that the PCIe holder release pins (B) are retracted, so the arrows point into the system.
b. Use the alignment pins (A) and slots to help you properly insert the riser cards and replace the
cover
c. Reset the retaining pins to secure the PCIe cage.
Installing and configuring the system
17