TX140 S1
Upgrade and Maintenance Manual
245
Expansion cards and backup units
9.3
Backup Units (BBU/FBU)
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 TX140 S1 server can accommodate up to two backup
units.
9.3.1
Installing a BBU
V
CAUTION!
For further safety information, please refer to chapter
"Important
information" on page 41
.
9.3.1.1
Required tools
●
Preliminary and concluding steps: tool-less
●
Installing a BBU: tool-less
9.3.1.2
Preliminary steps
Before installing a BBU, perform the following steps:
Ê
Disable boot watchdog functionality as described in section
"Disabling
SVOM boot watchdog functionality" on page 94
.
Ê
If applicable, open the rack door as described in section
"Opening the rack
door" on page 61
.
Ê
Shut down the defective server as described in section
"Shutting down the
server" on page 61
.
Ê
Remove the AC power cord from the cable tie and disconnect it from the
system as described in section
"Disconnecting power cords" on page 63
.
Ê
When working on a rack-mounted server, extend it out of the rack as
described in section
"Extending the server out of the rack" on page 65
.
Upgrade and Repair Units (URU)
Average task duration: 5 minutes
Summary of Contents for PRIMERGY TX140 S1
Page 6: ...Upgrade and Maintenance Manual TX140 S1 ...
Page 22: ...Upgrade and Maintenance Manual TX140 S1 Contents ...
Page 24: ...24 Upgrade and Maintenance Manual TX140 S1 ...
Page 40: ...40 Upgrade and Maintenance Manual TX140 S1 Before you start ...
Page 204: ...204 Upgrade and Maintenance Manual TX140 S1 Hard disk drives solid state drives ...
Page 292: ...292 Upgrade and Maintenance Manual TX140 S1 Expansion cards and backup units ...
Page 306: ...306 Upgrade and Maintenance Manual TX140 S1 Main memory ...
Page 370: ...370 Upgrade and Maintenance Manual TX140 S1 Accessible drives ...
Page 414: ...414 Upgrade and Maintenance Manual TX140 S1 Front panel and external connectors ...
Page 472: ...472 Upgrade and Maintenance Manual TX140 S1 System board and components ...
Page 568: ...568 Upgrade and Maintenance Manual TX140 S1 Cabling ...