IBM CS821 Service Manual page 43

Procedure
1. Ensure that you have the electrostatic discharge (ESD) wrist strap attached. If not, attach it now.
2. Plug the GPU (A) into the PCIe adapter riser (B) as shown in Figure 25. Secure the GPU tailstock with
one or two screws as needed.
Figure 25. Inserting the GPU into the riser
3. Place the PCIe adapter riser and the cards it contains into the system backplane as shown in Figure 26
on page 28.
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.
Removing and replacing parts
27