430 Upgrade and Maintenance Manual TX300 S7 / RX350 S7
Expansion cards and backup units
9.2.3.2 Preliminary steps
Before replacing an expansion card, perform the following steps:
Ê If applicable, ensure to note down your current network settings in the
operating system. For further information, please refer to section "Note on
network settings recovery" on page 429.
Ê Disable BitLocker functionality as described in section "Disabling BitLocker
functionality" on page 141.
Ê Disable boot watchdog functionality as described in section "Disabling
SVOM boot watchdog functionality" on page 142.
Ê Locate the defective server as described in section "Locating the defective
server" on page 64.
Ê Shut down the defective 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 Remove all external cables from the expansion card to be replaced.
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 Bring the server to its horizontal position.
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 Remove the air duct as described in section "Removing the system air duct"
on page 100.
Ê Locate the defective expansion card using the onboard Local Diagnostic
LEDs as described in section "Onboard indicators and controls" on
page 951.
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