Reinstall any PCIe cards and reconnect any internal cables that you removed.
You must install the PCI riser-card assembly after you replace the PCIe card.
You must install the PCI riser-card assembly after you install the DIMM air baffle or replace the PCIe card.
Important Always use an electrostatic-discharge wrist strap or other grounding system when you work inside the server. For more information, see Protecting against ESD damage.

| 1 | PCI riser connector 2 |
| 2 | PCI riser-card assembly (full-height, half-length PCIe cards) |
| 3 | PCI riser-card assembly (low profile PCIe cards) |
| 4 | PCI riser connector 1 |
PCI connector 1: Carefully fit the two alignment slots on the side of the riser-card assembly onto the two alignment brackets in the side of the chassis. Align the back of the riser-card assembly with the guides on the back of the server. See the following figure.
PCI connector 2: Carefully align the bottom edge (the contact edge) of the riser-card assembly with the riser-card connector on the system board. Align the back of the riser-card assembly with the guides on the back of the server. See the following figure.

| 1 | PCI riser connector 2 |
| 2 | PCI riser-card assembly 2 |
| 3 | PCI riser-card assembly 1 |
| 4 | Alignment slots |
| 5 | Alignment brackets |
| 6 | PCI riser connector 1 |