IBM 9006-12C, Manual

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c. If the riser contains a GPU, replace the power cable (A) into the system backplane as shown in
Figure 44.
d. Place the PCIe adapter riser and the cards it contains into the system backplane as shown in
Figure 45 on page 39.
1) Ensure that the PCIe holder release pins (B) are retracted, so the arrows point into the system.
2) Use the alignment pins (A) and slots to help you properly insert the riser cards and replace the
cover
3) Reset the retaining pins to secure the PCIe cage.
Figure 43. Inserting an adapter into position 2 or 3 of the riser
Figure 44. Plugging the GPU power cable
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Power Systems: Servicing the IBM Power System LC921 (9006-12C)