Lenovo ThinkServer RD450 User Manual And Hardware Maintenance Manual page 95

13. Align the mounting stud on the system board with the corresponding hole in the riser card bracket. Align
the rear of the riser card assembly with the corresponding rail guides in the rear of the chassis. Then,
carefully press the riser card assembly straight down into the chassis until it is fully seated.
Note: Carefully fit the installed PCIe cards into the chassis and properly route any cables from the cards.
Figure 47. Installing the riser card assembly
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Chapter 6 Replacing hardware