9.4.3 Replacing expansion cards
Note on network settings recovery
I When replacing network controllers or the system board, network 
configuration settings in the operating system will be lost and replaced 
by default values. This applies to all static IP address and LAN teaming 
configurations.
Ensure to note down your current network settings before replacing a 
controller or the system board.
9.4.3.1 Preliminary steps
Ê If applicable, "Note on network settings recovery" on page 184.
Ê "Disabling or suspending BitLocker functionality" on page 69
Ê "Disabling SVOM boot watchdog functionality" on page 70
Ê "Locating the defective server" on page 51
Ê "Shutting down the server" on page 53
Ê "Disconnecting power cords" on page 54
Ê Remove all external cables from the expansion card to be replaced.
Ê "Getting access to the component" on page 55
Ê Locate the defective expansion card using the onboard Local Diagnostic 
LEDs as described in section "Onboard indicators and controls" on 
page 425.
9.4.3.2 Removing an expansion card
Ê If applicable, "Removing an SFP+ transceiver module" on page 175.
Ê "Removing expansion cards" on page 181
Upgrade and Repair Unit
(URU)
Hardware: 5 minutes
Software: 5 minutes
Tools: Phillips PH2 / (+) No. 2 screw driver