Removal and replacement procedures 37
To replace the component, reverse the removal procedure.
Battery-backed write cache procedures
Removing and replacing failed components by:
• Removing the cache module ("BBWC module" on page 37)
• Recovering data from the battery-backed write cache (on page 39)
CAUTION: Do not detach the cable that connects the battery pack to the cache module.
Detaching the cable causes any unsaved data in the cache module to be lost.
BBWC module
To remove the component:
1. Power down the server (on page 24).
2. Remove the server from the rack (on page 24).
3. Remove the access panel ("Access panel" on page 25).
4. Remove the air baffle ("Air baffle" on page 25).
5. Remove the PCIe riser cage ("PCIe riser cage" on page 26).
6. Remove the expansion board ("Expansion board" on page 35).
7. Remove the BBWC module.
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