TX300 S7 / RX350 S7 Upgrade and Maintenance Manual 851
System board and components
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.
14.4.2 Removing the onboard SAS enabling key
14.4.2.1 Required tools
● Preliminary and concluding steps: tool-less
● Removing the onboard SAS enabling key: tool-less
14.4.2.2 Preliminary steps
Before removing the onboard SAS enabling key, 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.
Upgrade and Repair Units (URU)
Average task duration: 5 minutes
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