Apple ATA Controller Board User Manual

Xserve  
ATA Controller Board  
Replacement Instructions  
Follow the instructions in this sheet carefully. Failure to follow these instructions could  
damage your equipment and void its warranty.  
Note: Online instructions covering customer-installable parts are available at  
Tools Required  
No tools are required for this procedure.You may, however, find a Phillips screwdriver  
useful in releasing the thumbscrews at the front of the server.  
Opening the Server  
The server slides open from the front of the rack. The top cover remains in place in the  
rack while the bottom housing (containing all internal components) should be placed on a  
sturdy, at surface.  
1. Alert users that the server will be unavailable for a period of time.  
2. Shut down the server.  
Warning:To avoid damaging internal components or causing injury, always  
shut down the server before opening it. After you shut down the server, internal  
components can be very hot. Let the server cool down before continuing.  
3. Write down the server’s serial number, which is located on the back panel. If it is  
necessary to set up the server’s software after you replace the ATA controller board,  
you will be asked for the serial number at login.  
073-0706 Rev. B  
9. Grasp the thumbscrews and slide the bottom housing forward part way to expose the  
two chassis levers. (Figure 2)  
10. While depressing both levers, pull the bottom housing all the way forward and remove  
it from the rack.  
Figure 2  
11. Place the bottom housing on a sturdy, at surface and ESD mat.  
12. Put on the ESD wrist strap.  
Xserve ATA Controller Board - 3  
Removing the Installed ATA Controller Board  
Note: There are two versions of Xserve. If your version does not include a plastic duct  
over the heatsink, skip to step 3.  
1. Release the latch on the heatsink duct from its slot, slide the cover away from the  
blower, and lift the end of the duct as shown. (Figure 3)  
2. Remove the duct from the server.  
Figure 3  
Xserve ATA Controller Board - 4  
3. If necessary, disconnect the blower cable nearest the ATA controller board. (Figure 4)  
4. Press in on both ends of the clip securing the right side of the ATA controller board and  
remove the clip from the server. Repeat for the clip on the left side of the board.  
5. Lift the ATA controller board straight up to disconnect it from the drive interconnect and  
logic boards and remove the board from the server.  
Figure 4  
Xserve ATA Controller Board - 5  
Installing the Replacement ATA Controller Board  
1. Connect the replacement ATA controller board to the drive interconnect and logic  
boards.  
Note: When replacing the ATA controller board, align it over the two pairs of  
connectors on the drive interconnect and logic boards, making sure the “MLB” arrow  
printed on it points toward the logic board, and press down. (Figure 5)  
Figure 5  
Xserve ATA Controller Board - 6  
2. Reinstall the two ATA controller clips. (Figure 6)  
Note: When replacing the ATA controller board clips, orient them so that the long end of  
each clip points away from the middle of the server. Place the inside edge of the clip into  
the small notch and then snap down the outer edge of the clip.  
Figure 6  
3. If you disconnected it earlier, reconnect the blower cable nearest the ATA controller  
board.  
4. If necessary, replace the heatsink duct on the heatsink.  
Closing the Server  
1. Carefully slide the bottom housing back into the rack.  
2. Tighten the front thumbscrews to secure it.  
Warning: Never turn on the server unless all of its internal and external parts  
are in place and it is closed. Operating the server when it is open or missing  
parts can damage it or cause injury.  
Xserve ATA Controller Board - 7  
Apple Computer, Inc.  
© 2003 Apple Computer, Inc. All rights reserved.  
This document is protected under U.S. Copyright Law and International Treaties, and no  
part of this document may be reproduced in any form without written permission from  
Apple.  
Apple is not responsible for typographical, printing, or inadvertent errors.  
Apple Computer, Inc.  
1 Infinite Loop  
Cupertino, CA 95014-2084  
USA  
+ 1 408 996 1010  
Apple, the Apple logo, Mac, Macintosh, and the Mac logo are trademarks of Apple  
Computer, Inc., registered in the U.S. and other countries. Xserve is a trademark of Apple  
Computer, Inc.  
Xserve ATA Controller Board - 8  

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