IBM 8001-22C Manual page 35

Figure 13. Plugging in the GPU power cable
h. Insert the GPU and PCIe riser card into the chassis as shown in Figure 14 on page 20.
1) Retract the retaining pin (B) so the arrow points to the system.
2) Insert the riser, using the slots and alignment pins (A) to properly insert the riser. Push the
riser firmly into the system backplane.
3) Set the retaining pin (B) to secure the riser.
19
Installing and configuring the system