IBM Power System S821LC Installing page 93

a. If the riser contains a GPU, remove the power cable (A) from the system backplane as shown in
Figure 45. Using your thumb, press the release latch on the connector to remove the cable.
Figure 45. Unplugging the GPU power cable
b. Remove the PCIe riser as shown in Figure 46 on page 78.
1) Retract the retaining pins (A) so that the arrows on the tabs point to the system.
2) Lift the PCIe riser from the system.
Installing and configuring the system
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