HP HPE Alletra 2140 Hardware Manual page 82

1 Guide post
2 Groove
b) With the riser card and connector properly aligned, press down on the top of the PCIe cage to seat the riser card in
the connector.
c) Press down on the fastener and turn the fastener tab one half turn (180°) clockwise to secure the PCIe cage.
10. Install the secondary PCIe cage (right), if present, into the controller.
a) Align the PCIe cage and guide post with the grooves of the controller, and lower the cage into the controller.
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3 Riser card
Maintenance Procedures 82