After installing the riser card:
1.  Refer to your note to reconnect any cables to the removed PCIe adapters.
2.  Reinstall the PCIe adapters on the new riser card. See “Install a PCIe adapter on the riser assembly” on 
page 154.
3.  Install the riser assembly by doing the following:
•  To install the riser 1 assembly, align the mounting stud on the system board with the corresponding 
hole in the riser bracket. Meanwhile, align the rear of the riser 1 assembly with the corresponding rail 
guides in the rear of the chassis. Then, carefully press the riser 1 assembly straight down into the 
chassis until it is fully seated. 
Figure 112. Riser 1 assembly installation
•  To install the riser 2 assembly, align the rear of the riser 2 assembly with the corresponding rail guides 
in the rear of the chassis. Then, carefully press the riser 2 assembly straight down into the chassis 
until it is fully seated.
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ThinkSystem SR650 Maintenance Manual