IBM 9006-12C, Manual

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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.
3. Place the PCIe adapter riser and the cards it contains into the system backplane as shown in
Figure 26.
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.
Figure 25. Inserting the GPU into the riser
Figure 26. Replacing the PCIe riser
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Power Systems: Servicing the IBM Power System LC921 (9006-12C)