314 Upgrade and Maintenance Manual RX2540 M2
Expansion cards and backup units
8.7 Backup Units
8.7.1 Basic information
The Flash Backup Unit (FBU) backs up the memory contents of the connected
SAS RAID controller in the event of a power failure. The PRIMERGY
RX2540 M2 server can accommodate up to two backup units.
Figure 207: FBU mounting positions
8.7.2 Installing an FBU
V CAUTION!
For further safety information, please refer to chapter "Important
information" on page 49.
Upgrade and Repair Unit
(URU)
Hardware: 10 minutes
Tools: Phillips PH1 / (+) No. 1 screw driver
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