TX300 S7 / RX350 S7 Upgrade and Maintenance Manual 331
Hard disk drives / solid state drives
7.4.5.2 Preliminary steps
Before installing the HDD extension box, perform the following steps:
Ê Disable BitLocker functionality as described in section "Disabling BitLocker
functionality" on page 141.
Ê Shut down the server as described in section "Shutting down the server" on
page 71.
Ê Remove the AC power cords from the PSU cable brackets and disconnect
them from the system as described in section "Disconnecting the server
from the mains" on page 72.
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 76.
If further required, remove the server from the rack as described in section
"Removing the server from the rack" on page 77.
Ê Open the side / top cover as described in section "Removing the top cover"
on page 79 (rack server) or "Removing the side cover" on page 88 (tower
server).
Ê Pull out the ID card and open the front cover as described in section
"Opening the server" on page 79.
Ê Remove the air duct as described in section "Removing the system air duct"
on page 100.
Ê Remove the system fan holder as described in section "Removing the
system fan holder" on page 389.
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