Lenovo ThinkSystem SR860 V3 User Manual page 215

Figure 156. Installing PCIe riser card to riser
Step 5. Install the PCIe retainer into the PCIe riser cage; then, install three screws to secure the PCIe
retainer.
Figure 157. Installing PCIe retainer to riser
Step 6. Connect the right-angle end of the PCIe riser cables labeled R1-4, R1-5, and R1-7 (R3-4, R3-5,
and R3-7) to the corresponding connectors on the inside of the PCIe riser.
Note: For a Gen 5 riser card, connect the PCIe riser cables labeled R1-2, R1-4, and R1-7 (R3-2,
R3-4, and R3-7) to the corresponding connectors.
.
Chapter 5 Hardware replacement procedures
205