Installing a PCI riser-card assemblyTo install a PCI riser-card assembly, complete the following steps.Note: The illustrations in this document might differ slightly from your hardware.PCI riser-cardassembly 2PCI riser-cardassembly 1PCI riser-cardassembly 2PCI riser-cardassembly 1AlignmentbracketsAlignmentslotsPCI riserconnector 1PCI riserconnector 21. Read the safety information that begins on page vii and “Installation guidelines”on page 37.2. Make sure that the server and all peripheral devices are turned off and that thepower cords and all external cables are disconnected.3. Reinstall any adapters and reconnect any internal cables that you removed inother procedures.4. Align the PCI riser-card assembly with the selected PCI riser-card connector onthe system board:v PCI riser-card connector 1: Carefully fit the two alignment slots on the side ofthe assembly onto the two alignment brackets in the side of the chassis.v PCI riser-card connector 2: Carefully align the bottom edge (the contactedge) of the riser-card assembly with the PCI riser-card connector on thesystem board.5. Press down on the assembly. Make sure that the riser-card assembly is fullyseated in the riser-card connector on the system board.If you have other devices to install, do so now. Otherwise, go to “Completing theinstallation” on page 139.46 System x3650 M3 Types 4255, 7945, and 7949: Installation and User’s Guide
