144 Upgrade and Maintenance Manual BX924 S4
Mezzanine cards
© cognitas. Gesellschft für Technik-Dokumentation mbH 2013 Pfad: C:\Programme\FCT\tim_app\tim_local\work\PICHOL\OBJ_DOKU-20566-001.fm
7.4 Replacing mezzanine cards
7.4.1 Required tools
● Preliminary and concluding steps: tool-less
● Replacing expansion cards: tool-less
7.4.2 Preliminary steps
V Note on network settings recovery
When replacing network controllers or onboard CNA, 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 the
controller.
Before replacing an mezzanine card, perform the following steps:
Ê Disable BitLocker functionality as described in section "Disabling BitLocker
functionality" on page 66.
Ê Disable boot watchdog functionality as described in section "Disabling boot
watchdog functionality" on page 67.
Ê If applicable, open the rack door as described in section "Opening the rack
door" on page 51.
Ê Locate the defective server blade as described in section "Locating the
defective server blade" on page 43.
Upgrade and Repair Units (URU)
Average hardware task duration: 10 minutes
Average software task duration: 5 minutes
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