TX300 S7 / RX350 S7 Upgrade and Maintenance Manual 377
Hard disk drives / solid state drives
If the server has been completely removed from the rack for maintenance
purposes, reinstall and secure it in the rack as described in section
"Mounting the server in the rack" on page 130.
Ê Reconnect the AC power cords to the power supply units and secure them
with PSU cable brackets as described in section "Connecting the server to
the mains" on page 133.
Ê If BitLocker functionality is used and has been disabled before starting the
maintenance task, re-enable BitLocker as described in section "Enabling
BitLocker functionality" on page 165.
7.5.3 Replacing the SAS expander board
7.5.3.1 Required tools
● Preliminary and concluding steps: tool-less
● Replacing the SAS expander board: tool-less
7.5.3.2 Preliminary steps
Before replacing the SAS expander board, perform the following steps:
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.
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