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RX900 S1 Maintenance Manual 169
Expansion cards and BBU
8.11 Installing a Battery Backup Unit (BBU)
V CAUTION!
● Do not connect the cable using excessive force, the connector is
weak.
● Follow the safety instructions in the "Safety instructions" on page 31.
The Battery Backup Unit (BBU) backs up the memory contents of the SAS RAID
controller in the event of a power failure. A maximum of two BBUs can be
installed for each system.
I The RX900 S1 server can be equipped with one Modular RAID controller
and two SAS RAID controllers but only for two of these RAID controllers
a BBU can be installed.
8.11.1 Required tools
● Starting and completing the task:
– key for the rack doors (if applicable)
– Phillips Ph2 screw driver
● Installing the BBU: tool-less
Authorized personnel
Authorized specialist personnel can carry out replacement tasks for
integral server components. Ask you local Fujitsu service center for
more detailed information.
V CAUTION!
Procedures indicated as "Authorized personnel only“ must be
done by Fujitsu service personnel or technicians trained by
Fujitsu for doing these tasks. Please note that unauthorized
interference with the system will void the warranty and exempt the
manufacturer from all liability.