For 1U riser card assemblies:
5. Press down on the blue touch points on the PCI riser-card assembly to install
the assembly in the server. Make sure that the PCI riser-card assembly is fully
seated in the PCI connectors on the system board.
Attention: Make sure that the cables are not pinched.
If you have other devices to install, do so now. Otherwise, go to “Completing the
installation” on page 89.
92 System x3630 M4 Type 7158: Installation and User’s Guide