Removal and replacement procedures 46
4.
Perform one of the following:
o If the array controller has failed, remove the cache module ("Removing the cache module" on page
44) and battery pack from the failed array controller, and install the cache module and battery pack
on an array controller in the recovery server.
o If the server has failed, remove the controller ("Half-length expansion board" on page 42,
"Full-length expansion board" on page 43), cache module ("Removing the cache module" on page
44), and battery pack from the failed server, and install the controller, cache module, and battery
pack in the recovery server.
5. Power up the recovery server. A 1759 POST message is displayed, stating that valid data was flushed
from the cache. This data is now stored on the drives in the recovery server. You can now transfer the
drives (and controller, if one was used) to another server.
Heatsink
To remove the heatsink:
1. Power down the server (on page 26).
2. Extend the server from the rack (on page 25).
3. Remove the access panel ("Access panel" on page 30).
4. Remove the PCI riser cage ("PCI riser cage" on page 38).
5. Remove the air baffle ("Air baffle" on page 39).
6. Open the heatsink retaining bracket, and then remove the heatsink.
To replace the heatsink:
1. Clean the old thermal grease from the processor with the alcohol swab. Allow the alcohol to evaporate
before continuing.
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