166
Upgrade and Maintenance Manual
TX100
S3
Expansion cards and backup units
9.3
Backup Units (BBU/FBU)
A RAID Cache Backup Unit backs up the memory contents of the connected
SAS RAID controller in the event of a power failure. The PRIMERGY TX100 S3
server can accommodate either a BBU or an FBU depending on the used RAID
controller.
The server offers different backup units:
– BBU (Battery Backup Unit)
– FBU (Flash Backup Unit)
9.3.1
Installing a BBU
V
CAUTION!
For further safety information, please refer to chapter
"Important
information" on page 29
.
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
Shut down the server as described in section
"Shutting down the server" on
page 42
.
Ê
Remove the AC power cord from the cable tie and disconnect it from the
system as described in section
"Disconnecting power cord" on page 43
.
Ê
Bring the server to its horizontal position.
Ê
Open the side cover as described in section
"Removing the side cover" on
page 45
.
Upgrade and Repair Units (URU)
Average task duration: 5 minutes
Summary of Contents for PRIMERGY TX100 S3
Page 16: ...TX100 S3 Upgrade and Maintenance Manual Version history ...
Page 40: ...40 Upgrade and Maintenance Manual TX100 S3 Important information ...
Page 68: ...68 Upgrade and Maintenance Manual TX100 S3 Basic hardware procedures ...
Page 86: ...86 Upgrade and Maintenance Manual TX100 S3 Basic software procedures ...
Page 104: ...104 Upgrade and Maintenance Manual TX100 S3 Power supply ...
Page 126: ...126 Upgrade and Maintenance Manual TX100 S3 Hard disk drives ...
Page 146: ...146 Upgrade and Maintenance Manual TX100 S3 System fan modules ...
Page 200: ...200 Upgrade and Maintenance Manual TX100 S3 Expansion cards and backup units ...
Page 234: ...234 Upgrade and Maintenance Manual TX100 S3 Processor ...
Page 272: ...272 Upgrade and Maintenance Manual TX100 S3 Accessible drives ...
Page 288: ...288 Upgrade and Maintenance Manual TX100 S3 Front panel and external connectors ...