HP HPE Alletra 2140 Hardware Manual page 74

1 Guide post
2 Groove
d) With the riser cards and connectors properly aligned, press down on the top of the PCIe cage to seat the riser cards
in their connectors.
e) Press down on the fastener and turn the fastener tab one half turn (180°) clockwise to secure the PCIe cage.
7. Move the OCP card, if present, from the failed controller to the replacement controller.
a) Remove the OCP card from the failed controller.
3 Riser card
4 Connector
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Maintenance Procedures 74