HPE ProLiant XL270d Gen9 User Manual page 52

20. Remove the left 8:1 PCI riser module:
a. Loosen the captive screw.
b. Using both hands, lift and remove the PCI riser module from the server.
21. Install the left 4:1 PCI riser module:
a. Slide the PCI riser module into the server, and then use both hands to press downward to secure the
PCI riser module in the connectors.
b. Tighten the captive screw.
52 Hardware options installation