User manual ACER ALTOS R920

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Manual abstract: user guide ACER ALTOS R920

Detailed instructions for use are in the User's Guide.

[. . . ] Acer Altos R920 Series User's Guide Copyright © 2007 Acer Incorporated All Rights Reserved. Acer Altos R920 Series User's Guide Changes may be made periodically to the information in this publication without obligation to notify any person of such revision or changes. Such changes will be incorporated in new editions of this manual or supplementary documents and publications. This company makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims the implied warranties of merchantability or fitness for a particular purpose. [. . . ] If you want to install a RAID activation key, RAID cache, RAID BBU on the adapter, refer to succeeding sections for instructions. 90 5 3 System upgrade Align then insert the SAS module in the SAS module slot on the mainboard. Make sure that the edge of the card is properly seated (A). Press down on the card until the metal bracket on the card is flush with the chassis (B) and locks into place (C). 6 A C B 91 7 8 Attach the SAS expander cables to the SAS connector A (A) and the SAS connector B (B) on the adapter. Attach the SES cable to the SES connector on the SAS module (C). C B A 9 Observe the post-installation instructions described on page 40. To remove the SAS module: 1 2 Perform the pre-installation instructions described on page 39. Perform instructions described in "To remove the processor air baffle" section on page 45. 92 3 Disconnect any cables attached to the SAS module. 3 System upgrade 4 While pushing back on the slot divider latch, pull the SAS module away from the chassis. 5 6 Store the card in an antistatic bag. Observe the post-installation instructions described on page 40. 93 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: 1 2 3 4 5 6 7 8 Perform the pre-installation instructions described on page 39. Perform instructions described in "To remove the processor air baffle" section on page 45. Perform instructions described in "To install the SAS module" section on page 89. Remove the RAID activation key from its protective packaging. Align then insert the activation key into the RAID activation key connector on the SAS module (A). Open the clips on the RAID cache slot on the SAS module (B). Align then insert the RAID cache into the slot (C). Push down on the top edge of the RAID cache until the holding clips snap in place (D). RAID Key B C C A D 9 Observe the post-installation instructions described on page 40. 94 3 System upgrade To remove the RAID activation key and RAID cache: 1 2 3 4 5 6 7 8 Perform the pre-installation instructions described on page 39. Perform instructions described in "To remove the processor air baffle" section on page 45. Perform instructions described in "To remove the SAS module" section on page 89. Insert the tip of a small flat-bladed screwdriver under the plastic tab on the retainer holding the activation key to the mainboard. Gently push down to detach the activation key (A). Press the holding clips on both sides of the slot outward to release the RAID cache (B). Gently pull the RAID cache upward to remove it from the slot (C). Close the clips (D). RAID Key B C A D 9 Observe the post-installation instructions described on page 40. 95 Installing and removing the RAID BBU If power to the SAS controller on the SAS module drops below specifications, the optional RAID BBU maintains the contents of the DIMM by keeping the cache in self-refresh mode until power is restored. [. . . ] The Drive Status will be marked as Primary. Press the Space bar to change the setting from No to Yes. The Drive Status will be marked as Secondary. Move the cursor to the Hot Spr column and select another disk. [. . . ]

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