Backup Units; Basic Information - Fujitsu PRIMERGY TX2540 M1 Upgrade And Maintenance Manual

9.5

Backup Units

9.5.1

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 server can accommodate up to two backup units.
Figure 165: BBU / FBU mounting positions
1 Mounting position for first BBU / FBU
2 Mounting position for second BBU / FBU
TX2540 M1
Upgrade and Maintenance Manual
Expansion cards and backup units
243