Lenovo ThinkSystem SR860 V3 User Manual page 188

Figure 126. Removing PCIe riser 1
a. Disconnect the PCIe riser 1 cables from the system board assembly. See
routing" on page 424
b. Grasp and lift the PCIe riser to remove it from the chassis; then, disconnect the power cable
from the PCIe riser.
c. Record the cable connections and disconnect all internal cables from the PCIe adapters.
d. Disconnect the 7mm drive cables from the system board assembly. See
backplane cable routing" on page
Step 4. Remove PCIe riser 3.
ThinkSystem SR860 V3 User Guide
178
for more information on the internal cable routing.
416.
"PCIe riser 1 cable
"7mm drive