HP HPE Alletra 2140 Hardware Manual page 116

Important:
To avoid electrostatic damage, place array components on a grounded anti-static mat. Use an ESD wrist strap
during removal and replacement.
3. Remove the empty left PCIe cage from the upgrade controller.
a) Lift the tab of the fastener and turn the fastener one half turn (180°) counter clockwise to release the PCIe cage.
b) Grasp the PCIe cage with both hands and lift the cage out of the controller.
1 Fastener
2 Riser card
4. Move the left PCIe cage from the existing controller to the upgrade controller.
a) Lift the tab of the fastener and turn the fastener one half turn (180°) counter clockwise to release the PCIe cage.
b) Grasp the PCIe cage with both hands and lift the cage out of the controller to unseat the underlying riser card from
its connector.
c) 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 Connector
Upgrade Procedures 116