9.5 Backup Units
9.5.1 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
RX2520 M1 server can accommodate up to two backup units.
Figure 93: FBU mounting positions
9.5.2 Installing a FBU
1 Mounting position for first FBU
2 Mounting position for second FBU
Upgrade and Repair Unit
(URU)
Hardware: 5 minutes
Tools: Phillips PH1 / (+) No. 1 screw driver