Backup Units; Basic Information - Fujitsu PRIMERGY RX300 S8 Upgrade And Maintenance Manual

Expansion cards and backup units
9.6

Backup Units

9.6.1

Basic information

The Battery Backup Unit (BBU) or Flash Backup Unit (FBU) backs up the
memory contents of the connected SAS RAID controller in the event of a power
failure. The PRIMERGY RX300 S8 server can accommodate up to two backup
units.
Figure 100: BBU / FBU mounting positions
1 Mounting position for first BBU / FBU
2 Mounting position for second BBU / FBU
208 Upgrade and Maintenance Manual
RX300 S8