Acer R920 Series manual To install the RAID activation key and RAID cache

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Installing and removing the RAID activation key and RAID cache

The optional RAID activation key and RAID cache enables enhanced RAID functionality on the SAS module. The RAID cache serves as memory for the SAS controller, and as a disk cache to store write data to the drives. The RAID cache must be a 512 MB DDR2-667 DIMM.

To install the RAID activation key and RAID cache:

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 install the SAS module” section on page 89.

4Remove the RAID activation key from its protective packaging.

5Align then insert the activation key into the RAID activation key connector on the SAS module (A).

6Open the clips on the RAID cache slot on the SAS module (B).

7Align then insert the RAID cache into the slot (C).

8Push down on the top edge of the RAID cache until the holding clips snap in place (D).

RAID

Key

A

B

C

C

D

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