
206
Upgrade and Maintenance Manual
CX270
S2
Expansion cards, interposer boards and battery backup units
6.9
Battery Backup Units (BBU)
The Battery Backup Unit (BBU) backs up the memory contents of the connected
SAS RAID controller in the event of a power failure.
6.9.1
Installing a BBU
V
CAUTION!
For further information, please refer to chapter
"Important information" on
page 31
.
6.9.1.1
Required tools
●
Preliminary and concluding steps:
– Phillips PH2 / (+) No. 2 screw driver
●
Installing a BBU:
– Phillips PH1 / (+) No. 1screw driver
6.9.1.2
Preliminary steps
Perform the following steps:
Ê
Locate the desired server node with the ID button.
Ê
"Shutting down the server node" on page 43
Ê
If applicable, remove all external cables from the server node.
Ê
"Removing the server node from the server enclosure" on page 44
Ê
"Removing the cables" on page 45
Ê
"Removing a TESLA GPGPU card" on page 140
(if applicable)
Ê
"Removing the air duct" on page 46
Upgrade and Repair Units (URU)
Average hardware task duration: 5 minutes
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