Lenovo ThinkStation P920 Hardware Maintenance Manual page 180

b. Disconnect the super-capacitor-module cable from the RAID adapter. Then remove the holder with
the failing super capacitor module.
Figure 128. Removing the super capacitor module
6. To install a super capacitor module, do the following:
a. Pull and pivot the tab on the multi-function bracket to open the latch inside.
b. Touch the static-protective package that contains the new super capacitor module and its holder to
any unpainted surface on the outside of the computer. Then, remove the new super capacitor
module and its holder from the package.
c. Connect the super-capacitor-module cable to the super-capacitor-module connector on the RAID
adapter.
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P920 Hardware Maintenance Manual