Oracle Exadata Storage Server X7-2 EF Service Manual page 165

If you did not remove the HBA super capacitor when removing the internal HBA card,
Note -
reconnect the HBA super capacitor cable to the internal HBA card.
a. Apply a recloseable fastener to the underside of the super capacitor.
b. Align the recloseable fastener on the super capacitor with the recloseable
fastener on the HBA super capacitor tray and press down [1].
c. Route the super capacitor cable through the tray wire guide on the HBA
super capacitor tray and connect the super capacitor cable [2].
Return the server to operation.
5.
a. Install the top cover.
See "Install the Server Top Cover" on page
Install the Internal HBA Card and HBA Super Capacitor
189.
Servicing the Internal HBA Card and HBA Super Capacitor 165