Removal and replacement procedures 38
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If the server blade has failed, remove the controller, cache module ("Removing the cache module"
on page 34), and capacitor pack ("Removing the battery pack or capacitor pack" on page 35)
from the failed server blade, and install the controller, cache module, and capacitor pack in the
recovery server blade.
5. Power up the recovery server blade. A 1792 POST message appears, stating that valid data was
flushed from the cache. This data is now stored on the drives in the recovery server blade. You can now
transfer the drives (and controller, if one is used) to another server blade.
Heatsink
WARNING: To reduce the risk of personal injury from hot surfaces, allow the drives and the
internal system components to cool before touching them.
To remove the component:
1. Power down the server blade (on page 23).
2. Remove the server blade (on page 24).
3. Remove the access panel ("Access panel" on page 25).
4. Remove all hard drives ("Hard drive" on page 26).
5. Remove all hard drive blanks ("Hard drive blank" on page 26).
6. Remove the hard drive backplane ("Hard drive backplane" on page 32).
7. Remove the front panel/hard drive cage assembly ("Front panel/hard drive cage assembly" on page
33).
8. Remove the heatsink.
To replace the component:
1. Clean the old thermal grease from the processor with the alcohol swab. Allow the alcohol to evaporate
before continuing.
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