CX270 S2
Upgrade and Maintenance Manual
219
Expansion cards, interposer boards and battery backup units
For further information, please refer to chapter
"Important information" on
page 31
.
6.9.3.1
Required tools
●
Preliminary and concluding steps:
– Phillips PH2 / (+) No. 2 screw driver
●
Replacing a BBU:
– Phillips PH1 / (+) No. 1screw driver
6.9.3.2
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
"Disconnecting the BBU from the controller" on page 216
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
Ê
"Removing the GPGPU riser module" on page 48
Ê
Remove the rear air duct bracket as described in section
"Removing the air
duct brackets" on page 49
.
6.9.3.3
Removing the BBU holder from the chassis
Ê
Remove the BBU module from the system board as described in section
"Removing a BBU" on page 215
.