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3 System upgrade

To remove the RAID BBU:

1Perform the pre-installation instructions described on page 39.

2Remove the processor air baffle. Perform instructions described in “To remove the processor air baffle” section on page 45.

3Remove the SAS module. Perform instructions described in “To remove the SAS module” section on page 89.

4Remove the three screws on the RAID BBU.

5Remove the RAID BBU from the SAS module.

6Observe the post-installation instructions described on page 40.

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Acer R920 Series manual To remove the RAID BBU