IBM SAS RAID Series, Manual

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9. Reinstall the adapter.
Replacing a 57B7 concurrent maintainable battery pack
Use this procedure to replace the concurrent maintainable battery pack on adapter type CCIN 57B7.
Attention: Before continuing with this procedure, determine that it is safe to replace the cache battery
pack. Refer to Displaying rechargeable battery information. It is safe to replace the cache battery pack
when
Yes is displayed next to Battery pack can be safely replaced . If the cache data present LED is
flashing, do not replace the cache battery pack or data will be lost.
Complete the following steps to replace a 57B7 concurrent maintainable battery pack.
1. Using the following illustration to locate the battery components, verify that the cache data present
LED
(C) is not flashing. If it is flashing, do not continue; return to “Forcing a rechargeable battery
error” on page 34.
2. Move the cache battery lever (A) away from the connector to disengage the battery from the
connector.
3. Continue to slide the cache battery pack out of the mounting guides and remove it from the
controller.
Note: Ensure that the cache battery pack is disconnected for at least 60 seconds before connecting the
new battery. This duration is the minimum amount of time needed for the card to recognize that the
battery has been replaced.
(A) Cache battery lever
(B) Cache battery pack
(C) Cache present LED
Figure 15. Removing the 57B7 cache battery
Chapter 6. SAS RAID controller maintenance
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