190
Upgrade and Maintenance Manual
TX140
S2
Expansion cards and backup units
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.
9.5.2
Installing an FBU
V
CAUTION!
For further safety information, please refer to chapter
"Important
information" on page 31
.
9.5.2.1
Preliminary steps
Ê
"Disabling SVOM boot watchdog functionality" on page 70
Ê
"Shutting down the server" on page 46
Ê
"Disconnecting the server from the mains" on page 46
Ê
"Getting access to the component" on page 47
Ê
"Removing the fan module" on page 151
Upgrade and Repair Unit
(URU)
Hardware: 5 minutes
Tools:
tool-less
Summary of Contents for PRIMERGY TX140 S2
Page 30: ...30 Upgrade and Maintenance Manual TX140 S2 Before you start ...
Page 98: ...98 Upgrade and Maintenance Manual TX140 S2 Basic software procedures ...
Page 120: ...120 Upgrade and Maintenance Manual TX140 S2 Power supply ...
Page 148: ...148 Upgrade and Maintenance Manual TX140 S2 Hard disk drives solid state drives ...
Page 158: ...158 Upgrade and Maintenance Manual TX140 S2 System fan and air duct ...
Page 208: ...208 Upgrade and Maintenance Manual TX140 S2 Expansion cards and backup units ...
Page 216: ...216 Upgrade and Maintenance Manual TX140 S2 Main memory ...
Page 314: ...314 Upgrade and Maintenance Manual TX140 S2 Cabling ...
Page 332: ...332 Upgrade and Maintenance Manual TX140 S2 Appendix ...